{
 "name": "Online magic mushroom dosage and tolerance calculators audit, October 2026",
 "description": "36 web-based magic mushroom and psilocybin dosage and tolerance calculators checked on October 26, 2026: who runs each one, what it asks for, and whether its page states a formula, warns about potency, cites research, names lithium, antidepressants or MAOIs, mentions mental-health or heart risks, the law, or a help line. No dose outputs are recorded.",
 "publisher": "Magic Mushroom Dosage Calculator",
 "url": "https://magicmushroomdosagecalculator.com/calculator-audit",
 "license": "CC BY 4.0",
 "license_url": "https://creativecommons.org/licenses/by/4.0/",
 "updated": "2026-10-26",
 "record_count": 36,
 "source_note": "Each row records what the calculator page itself displayed on the date checked. No dose outputs or recommended amounts were recorded. Calculators run by this site's publisher are excluded.",
 "records": [
  {
   "id": "shroomery",
   "name": "Magic Mushroom Dosage Calculator (v1.4)",
   "url": "https://www.shroomery.org/6257/Magic-Mushroom-Dosage-Calculator",
   "checked": "2026-10-26",
   "operator": "Shroomery (copyright Mind Media)",
   "operator_type": "community",
   "sells": "Shroomery Store; shop section with liquid culture, grow bags, substrate, spores, grow kits; page says 'This site includes paid links'",
   "calculator_type": [
    "dose_by_mg_psilocybin",
    "combined"
   ],
   "inputs": [
    "psilocybin and psilocin retention multipliers for dried mushrooms",
    "target trip level (Microdose, Level 1 to 5)",
    "mushroom species list (also lists 4-AcO-DMT)",
    "mg psilocybin and mg psilocin per gram (editable)",
    "fresh or dried",
    "checkbox: tripped within the past 11 days, with last dose and days since",
    "checkbox: taking an MAO inhibitor"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none named; links an Erowid MAOI page and Shroomery trip reports",
   "mentions_interactions": "yes",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "yes",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "none on page; site nav has an 'Emergency Info' link (not audited)",
   "named_person": "no",
   "date_shown": "last updated 2023-06-13 (shown)",
   "age_gate": "no",
   "ads": "yes",
   "notes": "Oldest-looking tool in the set; the calculator most often linked by media (MEL Magazine 2022). Author openly says there is no unifying formula. MAOI handled as a checkbox that changes the output."
  },
  {
   "id": "zamnesia",
   "name": "Magic Mushrooms & Truffles Dosage Calculator",
   "url": "https://www.zamnesia.com/magic-mushroom-dosage-calculator",
   "checked": "2026-10-26",
   "operator": "Zamnesia (Google Play listing names the developer as Just Amazing B.V., Schijndel, Netherlands)",
   "operator_type": "seller",
   "sells": "magic truffles, magic mushroom grow kits, spore syringes, cannabis seeds, headshop, smartshop, vaporizers",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "body weight (kg dropdown)",
    "magic mushrooms or magic truffles",
    "fresh or dry",
    "intensity: Micro, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "generic 'clinical trials' only",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "notice only",
   "ads": "no",
   "notes": "States 'There is no risk of overdosing on magic mushrooms no matter how much you consume.' Newsletter pop-up offers 10% off. Same text template appears on GO Microdose and Microdose Bros pages. Also has an Android app (see zamnesia_app)."
  },
  {
   "id": "emc_dose",
   "name": "Magic Mushroom Dosage Calculator",
   "url": "https://easymushroomcultivation.com/pages/dosage-calculator",
   "checked": "2026-10-26",
   "operator": "EasyMushroomCultivation (Shopify store)",
   "operator_type": "seller_other",
   "sells": "mushroom cultivation supplies (liquid culture syringes, grow bags, substrates)",
   "calculator_type": [
    "dose_by_mg_psilocybin",
    "dose_by_dried_weight",
    "microdose"
   ],
   "inputs": [
    "experience level / target: Microdosing, Light, Moderate, Intense, Heroic",
    "strain family (P. cubensis, P. ochraceocentrata, P. cyanescens, P. semilanceata, custom)",
    "specific strain",
    "custom psilocybin content (%)",
    "dried or fresh"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "no",
   "formula_stated": "yes",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "yes",
   "research_cited": "Spriggs et al. 2023, 'Body mass index (BMI) does not predict responses to psilocybin', J Psychopharmacol, PMID 36373934, PMC9834321 (linked as PMC9834321)",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none (footer copyright 2026)",
   "age_gate": "no",
   "ads": "no",
   "notes": "One of only two calculators that publish a full formula. Explicitly excludes body weight, age and gender, citing a BMI study. FAQ says no fatal overdose has been recorded."
  },
  {
   "id": "emc_tolerance",
   "name": "Magic Mushroom Tolerance Calculator",
   "url": "https://easymushroomcultivation.com/pages/tolerance-calculator",
   "checked": "2026-10-26",
   "operator": "EasyMushroomCultivation (Shopify store)",
   "operator_type": "seller_other",
   "sells": "mushroom cultivation supplies",
   "calculator_type": [
    "tolerance"
   ],
   "inputs": [
    "last strain used",
    "amount taken (grams)",
    "days since last trip",
    "desired intensity: Microdosing to Heroic",
    "planned strain"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "yes",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none; claims 'Based on psilocybin decay rates' without source",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "no",
   "notes": "FAQ frames the tool as a way to 'bypass this blockade' of tolerance. Recovery timelines differ between sections of the same page."
  },
  {
   "id": "calc420",
   "name": "Magic Mushroom & Truffle Dosage Calculator (Calc420)",
   "url": "https://calc420.com/shrooms.html",
   "checked": "2026-10-26",
   "operator": "Calc420 (no company or person named)",
   "operator_type": "individual",
   "sells": "nothing visible (donation link only)",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "body weight (kg or lb)",
    "mushrooms or truffles",
    "dried or fresh",
    "species: Psilocybe cubensis or Copelandia cyanescens"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "no",
   "notes": "Output tiers include 'God Dose'. Disclaimer: 'does not replace medical advice'."
  },
  {
   "id": "gomicrodose",
   "name": "Dosage calculator (GO Microdose)",
   "url": "https://go-microdose.com/dosage-calculator/",
   "checked": "2026-10-26",
   "operator": "GO Microdose, Amsterdam (Joop Geesinkweg 601)",
   "operator_type": "seller",
   "sells": "magic truffles (fresh), grow kits, gummies, supplements, scales, courses/coaching",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "weight (kg, lb or stone)",
    "magic mushroom or magic truffle",
    "fresh or dry",
    "intensity: Microdose, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "generic 'Clinical trials' only",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "footer link to a medical disclaimer (not audited)",
   "named_person": "no",
   "date_shown": "metadata only: published 2023-05-28, modified 2026-10-07",
   "age_gate": "no",
   "ads": "no",
   "notes": "Product 'Add' buttons sit beside the calculator; email pop-up; Facebook pixel in source."
  },
  {
   "id": "pevgrow",
   "name": "Truffle and hallucinogenic mushroom dosage calculator",
   "url": "https://pevgrow.com/blog/en/magic-mushroom-calculator/",
   "checked": "2026-10-26",
   "operator": "Pevgrow.com (Site of Shops Online SL, L'Eliana, Spain per Google Play)",
   "operator_type": "seller",
   "sells": "growshop products incl. magic mushroom grow kits, CBD flowers",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "tolerance",
    "combined"
   ],
   "inputs": [
    "body weight",
    "mushrooms or truffles",
    "fresh or dry",
    "intensity: Low, Standard, High",
    "when was your last intake (0 days to 25+ days)"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "yes",
   "date_shown": "metadata only: published 2020-07-02, modified 2023-06-14",
   "age_gate": "no",
   "ads": "yes",
   "notes": "Links to Pevgrow's Android app (see esporada_app)."
  },
  {
   "id": "mushroomdosagecalculator",
   "name": "Magic Mushrooms Dosage Calculator",
   "url": "https://mushroomdosagecalculator.com/magic-mushrooms-dosage-calculator/",
   "checked": "2026-10-26",
   "operator": "'Mushrooms Dosage Calculator' (no company named; en_CA locale)",
   "operator_type": "seller",
   "sells": "psilocybin mushroom 'Magic Box' products and capsules, checkout on third-party site",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "body weight (kg or lb)",
    "magic mushrooms or magic truffles",
    "fresh or dry",
    "trip expected: Micro, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none (copyright 2026)",
   "age_gate": "no",
   "ads": "no",
   "notes": "Promo block 'Where to buy shrooms online ?' with 5/5 rating, a promotional offer, no affiliate disclosure. Site in FR, ES, IT, DE versions."
  },
  {
   "id": "nextlevelsmart",
   "name": "Magic Mushroom Dosage Calculator (Next Level Smart)",
   "url": "https://nextlevelsmart.nl/gb/blog/post/227-magic-mushroom-dosage-calculator.html",
   "checked": "2026-10-26",
   "operator": "Next Level Smart, Rijswijk, Netherlands",
   "operator_type": "seller",
   "sells": "magic truffles, grow kits, kratom, kanna, salvia, other smartshop products",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "body weight (kg or lbs)",
    "type: Cubensis, Copelandia, Magic Truffles",
    "fresh or dried",
    "intensity: Microdose, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "yes",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "no",
   "notes": "'Recommended Products' block inside calculator flow."
  },
  {
   "id": "codepen_sunsetcity",
   "name": "Shrooms Dosage Calculator (CodePen)",
   "url": "https://codepen.io/Sunset-City-Mushrooms-Ltd/pen/jOJxyYv",
   "checked": "2026-10-26",
   "operator": "Sunset City Mushrooms Ltd (CodePen profile)",
   "operator_type": "seller",
   "sells": "per linked store: mushrooms and coca leaf tea (not confirmed beyond page summary)",
   "calculator_type": [
    "dose_by_dried_weight",
    "microdose"
   ],
   "inputs": [
    "body weight (lbs) only"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "no",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "created and updated 2024-02-02 (CodePen)",
   "age_gate": "no",
   "ads": "unknown",
   "notes": "Single input. 'Educational and research purpose usage only.' Effect text differs between HTML and JS versions."
  },
  {
   "id": "ambrosia",
   "name": "Psilocybin Dosage Calculator (Church of Ambrosia)",
   "url": "https://ambrosia.church/magic-mushrooms/dosage-calculator/",
   "checked": "2026-10-26",
   "operator": "Church of Ambrosia, Oakland CA ('A nondenominational, interfaith religious organization'; venue Zide Door)",
   "operator_type": "community",
   "sells": "paid memberships (per homepage); event tickets 'coming soon'",
   "calculator_type": [
    "dose_by_mg_psilocybin",
    "tolerance",
    "combined"
   ],
   "inputs": [
    "mushrooms or edibles toggle",
    "body weight (lbs/kg)",
    "adjustments (%)",
    "days since last dose (28+ days to 1 day)",
    "personal sensitivity (%)",
    "mushroom strain (lab-tested list)",
    "edible product and pieces per package",
    "compound fields: psilocybin, psilocin, norpsilocin, baeocystin, norbaeocystin, aeruginascin"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none on calculator page",
   "mentions_interactions": "yes",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "yes",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "footer 'Support Directory' link (not audited)",
   "named_person": "no",
   "date_shown": "metadata only: modified 2026-06-10; footer shows copyright 2027",
   "age_gate": "no",
   "ads": "no",
   "notes": "Only calculator built around lab-tested potency input with six tryptamine fields. Untested mushrooms are sent to a separate 'Dosage Standards' page."
  },
  {
   "id": "tripsitter_tolerance",
   "name": "Magic Mushroom Tolerance Calculator (Tripsitter)",
   "url": "https://tripsitter.com/magic-mushrooms/tolerance/",
   "checked": "2026-10-26",
   "operator": "Tripsitter (tripsitter.com)",
   "operator_type": "media",
   "sells": "not on this page; site nav links a test-kits page",
   "calculator_type": [
    "tolerance"
   ],
   "inputs": [
    "substance (Shrooms, LSD, 4-AcO-DMT, LSZ, ETH-LAD, PRO-LAD, ALD-52, 1P-LSD)",
    "last dose",
    "desired dose",
    "days since last dose"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "yes",
   "research_cited": "Isbell et al. 1961 'Cross tolerance between LSD and psilocybin' (Psychopharmacologia, PMID 13717955); Appel and Freedman 1968; a 1961 clinical paper; Beck et al. 1998 (phenylethylamine). Calculator itself not tied to a cited source.",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "yes",
   "date_shown": "published 2021-09-13; 'Updated: August 19, 2022' (shown)",
   "age_gate": "no",
   "ads": "no",
   "notes": "Page gives two different tolerance timelines (about a week vs 14 days). Newsletter sign-up."
  },
  {
   "id": "mindfulmyco_calc",
   "name": "Psilocybin Dose Calculator (Mindful Myco)",
   "url": "https://mindfulmyco.org/tools/calculator",
   "checked": "2026-10-26",
   "operator": "Mindful Myco (no person or organization named)",
   "operator_type": "media",
   "sells": "nothing visible; ad code present",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "mushrooms or truffles",
    "species (P. cubensis, semilanceata, cyanescens, azurescens, baeocystis; truffles: mexicana, tampanensis, atlantis, hollandia)",
    "fresh or dried",
    "body weight (with unit)"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none in calculator component",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "yes",
   "notes": "Content is JavaScript-rendered; inputs read from code, so visible layout not confirmed. Share link encodes species, form and weight."
  },
  {
   "id": "mindfulmyco_tolerance",
   "name": "Psilocybin Tolerance Calculator (Mindful Myco)",
   "url": "https://mindfulmyco.org/tools/tolerance",
   "checked": "2026-10-26",
   "operator": "Mindful Myco",
   "operator_type": "media",
   "sells": "nothing visible; ad code present",
   "calculator_type": [
    "tolerance"
   ],
   "inputs": [
    "species (context only)",
    "fresh or dried",
    "previous amount (grams)",
    "days since last dose (0 to 365)"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "yes",
   "notes": "Disclaimer: 'Never use this to justify taking dangerously large doses.' Same JS caveat as mindfulmyco_calc."
  },
  {
   "id": "knowharm",
   "name": "Psychedelic Dose Calculator (Mushrooms & LSD)",
   "url": "https://knowharm.org/psychedelic-dose.php",
   "checked": "2026-10-26",
   "operator": "Know Harm ('harm reduction education and resources'; organization type and country not visible)",
   "operator_type": "seller_other",
   "sells": "NARCAN nasal spray, fentanyl and xylazine test strips, milligram scale, sterile filters, supplements, stickers, apparel (many out of stock)",
   "calculator_type": [
    "dose_by_dried_weight",
    "microdose"
   ],
   "inputs": [
    "substance: psilocybin mushrooms or LSD",
    "body weight (kg/lb)",
    "species dropdown ('Mushroom (typical potency)')"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "only 'the literature', no named study",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "yes",
   "help_lines": "988 Suicide & Crisis Lifeline; 911; SAMHSA National Helpline; Poison Control 1-800-222-1222; also domestic violence and child abuse hotlines",
   "named_person": "no",
   "date_shown": "none (copyright 2026)",
   "age_gate": "no",
   "ads": "no",
   "notes": "Strongest crisis-resource block in the set. Says the calculator 'runs in your browser' and nothing is 'sent anywhere'. Repeats 'An estimate, not a guarantee'."
  },
  {
   "id": "shroomdosage",
   "name": "Psilocybin Dosage Calculator (shroomDOSAGE)",
   "url": "https://shroomdosage.com/",
   "checked": "2026-10-26",
   "operator": "shroomDOSAGE (no legal entity or address visible; references Canadian law)",
   "operator_type": "seller",
   "sells": "psilocybin mushroom products (e.g., Golden Teacher, Albino Treasure Coast, Penis Envy), wholesale",
   "calculator_type": [
    "dose_by_mg_psilocybin",
    "dose_by_dried_weight",
    "microdose",
    "tolerance",
    "combined"
   ],
   "inputs": [
    "intent: Microdose, Museum Dose, Recreational, Ceremonial, Heroic",
    "strain (product cards)",
    "body weight (lbs/kg)",
    "experience: First time, 1-5, 6-20, 20+ trips",
    "days since last trip (slider)",
    "on MAOIs / SSRIs / antidepressants? (yes/no)",
    "preparation method (5 options)",
    "material quality: Optimal, Average, Poor",
    "storage degradation (slider)"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none; protocols attributed to Stamets and Fadiman without citation",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "yes",
   "mentions_heart": "yes",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none (copyright 2026)",
   "age_gate": "notice only",
   "ads": "no",
   "notes": "Most complete contraindication list among sellers, but asks the medication question without saying how the answer changes the output. Heavy sales copy ('LIMITED TIME'). Canadian Schedule III claim: not confirmed here, needs check against the CDSA schedules."
  },
  {
   "id": "mycodosing",
   "name": "MYCODOSING.WTF, 'The Anti-Bullshit Psychedelic Calculator'",
   "url": "https://mycodosing.wtf/",
   "checked": "2026-10-26",
   "operator": "Individual developer (GitHub/HN user 'ing-norante', per Show HN https://news.ycombinator.com/item?id=46234658); open-source code on GitHub",
   "operator_type": "individual",
   "sells": "nothing visible",
   "calculator_type": [
    "dose_by_mg_psilocybin",
    "truffles",
    "microdose",
    "tolerance",
    "combined"
   ],
   "inputs": [
    "category: mushrooms, truffles, synthetic",
    "species",
    "fresh or dry",
    "drying quality",
    "storage degradation",
    "target intensity: Microdose, Threshold, Light, Moderate, Strong, Heroic",
    "optional body weight adjustment (default off)",
    "last dose (mg) and days since last session",
    "on MAOI toggle"
   ],
   "asks_body_weight": "optional",
   "has_tolerance_input": "yes",
   "formula_stated": "yes",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "yes",
   "research_cited": "Garcia-Romeu et al. 2021 (PMID 33611977, linked); Gotvaldova et al. 2021 (Drug Test Anal, PMID 33119971, not linked); Buchborn et al. 2016 (PMID not confirmed); a ScienceDirect book chapter link for tolerance",
   "mentions_interactions": "yes",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "yes",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "no",
   "notes": "Most transparent model in the set: outputs a range with per-species uncertainty and a calculation breakdown. Weight adjustment off by default, citing Garcia-Romeu 2021. JavaScript-only, so layout not confirmed."
  },
  {
   "id": "pacificshrooms",
   "name": "Mushroom Dosage Calculator (Pacific Shrooms)",
   "url": "https://pacificshrooms.co/mushroom-dosage-calculator/",
   "checked": "2026-10-26",
   "operator": "Pacific Shrooms ('delivered discreetly across Canada')",
   "operator_type": "seller",
   "sells": "magic mushrooms, capsules, gummies, chocolate, tea/drink mix, bundles",
   "calculator_type": [
    "dose_by_dried_weight",
    "microdose"
   ],
   "inputs": [
    "body weight (kg/lb)",
    "intensity: Microdose, Museum, Moderate, High, Heroic",
    "experience: First time, Some, Experienced"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "generic: 'Clinical research (including work led by Johns Hopkins)'; no paper named",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "yes",
   "mentions_heart": "yes",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none (copyright 2026)",
   "age_gate": "no",
   "ads": "no",
   "notes": "Meta description shows unrendered shortcode '[ps_dosage_calculator]'."
  },
  {
   "id": "cybinly",
   "name": "Dosage Calculator (Cybinly)",
   "url": "https://cybinly.com/learn/dosage",
   "checked": "2026-10-26",
   "operator": "Cybinly LLC",
   "operator_type": "media",
   "sells": "listing/directory services implied; no products sold on page",
   "calculator_type": [
    "dose_by_mg_psilocybin",
    "microdose"
   ],
   "inputs": [
    "dosing method: Fixed Dose (preferred) or Weight-Based (experimental)",
    "weight (lbs/kg)"
   ],
   "asks_body_weight": "optional",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "generic: 'Clinical trials predominantly use fixed doses'",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "yes",
   "help_lines": "Fireside Project, (623) 473-7433, firesideproject.org",
   "named_person": "no",
   "date_shown": "'Content reflects research and policy as of mid-2026. Last major update: 2026.'",
   "age_gate": "no",
   "ads": "no",
   "notes": "Only calculator in the set that defaults to fixed dosing and labels weight-based dosing experimental."
  },
  {
   "id": "cloud920",
   "name": "Psilocybin dosage calculator for magic mushrooms & magic truffles (Cloud920)",
   "url": "https://www.cloud920.com/dosage-calculator",
   "checked": "2026-10-26",
   "operator": "Cloud920 ('Grown and packed in the Netherlands')",
   "operator_type": "seller",
   "sells": "magic truffles, microdosing truffles, ready-to-grow kits, liquid cultures, sterile substrates",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "truffles or mushrooms",
    "fresh or dried",
    "species",
    "body weight (kg/lb)"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "yes",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none; names Fadiman and Stamets protocols",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "no",
   "notes": "Applies weight scaling linearly from 70 kg even though no study is cited for it."
  },
  {
   "id": "azarius_truffles",
   "name": "Magic Truffles Dosage Calculator (Azarius)",
   "url": "https://www.azarius.com/tools/magic-truffles-dosage-calculator",
   "checked": "2026-10-26",
   "operator": "Azarius, Galvaniweg 11, Schijndel, Netherlands",
   "operator_type": "seller",
   "sells": "magic truffles and mushrooms, grow kits, microdosing products, cannabis seeds, smart/grow/smoke/herb shop",
   "calculator_type": [
    "truffles",
    "microdose"
   ],
   "inputs": [
    "per meta description: weight, truffle variety, experience level; body text also names consumption method; widget not rendered in fetched text"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none; 'laboratory potency data' unattributed",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "no",
   "names_maois": "yes",
   "mentions_mental_health": "yes",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "'Last updated: March 24, 2026' (shown)",
   "age_gate": "notice only",
   "ads": "no",
   "notes": "Offers the calculator as an embeddable iframe ('Free to use with attribution'), which spreads a seller's tool to other sites."
  },
  {
   "id": "azarius_tolerance",
   "name": "Psilocybin Tolerance Calculator (Azarius)",
   "url": "https://www.azarius.com/tools/psilocybin-tolerance-calculator",
   "checked": "2026-10-26",
   "operator": "Azarius (Netherlands)",
   "operator_type": "seller",
   "sells": "magic truffles, grow kits, microdosing products, etc.",
   "calculator_type": [
    "tolerance",
    "microdose"
   ],
   "inputs": [
    "described: last dose, days since last dose, dose size, substance for cross-tolerance, microdose protocol planner; widget not rendered in fetched text"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "yes",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "generic 'published research on 5-HT2A receptor pharmacology'; cross-tolerance percentages unsourced",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "no",
   "names_maois": "yes",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "'Last updated: March 26, 2026' (shown)",
   "age_gate": "notice only",
   "ads": "no",
   "notes": "Embeddable ('Free, no attribution required'). Its decay constant differs from other tolerance tools (see notes)."
  },
  {
   "id": "dutchheadshop",
   "name": "Shrooms & Truffles Dosage Calculator (Dutch Headshop)",
   "url": "https://www.dutch-headshop.eu/blog/magic-mushroom-dose-calculator",
   "checked": "2026-10-26",
   "operator": "Dutch Headshop (dutch-headshop.eu; no address visible; Dutch/Belgian payment logos)",
   "operator_type": "seller",
   "sells": "smartshop (truffles, grow kits, kratom), growshop, headshop, CBD, seeds",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "body weight (kg)",
    "shrooms or truffles",
    "variety (Cubensis, Liberty Cap, P. azurescens, Copelandia, truffle types)",
    "dried or fresh",
    "desired effect: Microdosing or Levels 1 to 5 (Light to Heroic)"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "yes",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "no",
   "notes": "Text closely matches mushroomdosagecalculator.com disclaimer wording."
  },
  {
   "id": "magictrufflecalculator",
   "name": "Magic Truffle Calculator (Mycora)",
   "url": "https://magictrufflecalculator.com/",
   "checked": "2026-10-26",
   "operator": "Mycora (named in header/footer; no location or about page visible)",
   "operator_type": "individual",
   "sells": "nothing visible; ad code present",
   "calculator_type": [
    "truffles",
    "microdose"
   ],
   "inputs": [
    "truffle variety (12)",
    "body weight",
    "experience level",
    "fresh or dried",
    "'how deep you want to go'"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none; basis is smart-shop and retreat guides",
   "mentions_interactions": "yes",
   "names_lithium": "no",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none (copyright 2026 Mycora)",
   "age_gate": "no",
   "ads": "yes",
   "notes": "Calculator widget showed 'Loading the calculator...' in fetched text; logic not verifiable."
  },
  {
   "id": "novusfumus",
   "name": "Magic Truffles Dosage Calculator (Novus Fumus)",
   "url": "https://www.novusfumus.nl/en/collections/what-dose-do-i-need",
   "checked": "2026-10-26",
   "operator": "Novus Fumus, Erkenkamp 1-E14, Tegelen, Netherlands",
   "operator_type": "seller",
   "sells": "magic truffles and mushrooms, grow kits, spores, CBD/THC edibles, headshop, seeds",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "body weight (kg)",
    "mushrooms or magic truffles",
    "fresh or dried",
    "goal: Microdosing, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "no",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "yes",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none (copyright 2026)",
   "age_gate": "yes",
   "ads": "no",
   "notes": "Results lead to a product list ('Calculated your ideal magic truffle dose?'). Mentions a 'trip stopper'."
  },
  {
   "id": "cannabisbakehouse",
   "name": "Magic Truffles Dosage Calculator (Cannabis Bakehouse)",
   "url": "https://cannabisbakehouse.com/magic-truffels-dosering-calculator/",
   "checked": "2026-10-26",
   "operator": "SR Bakehouse BV, Rooiseweg 1, Schijndel, Netherlands",
   "operator_type": "seller",
   "sells": "truffles and mushrooms, edibles, seeds, headshop, smartshop, vaping",
   "calculator_type": [
    "truffles",
    "microdose"
   ],
   "inputs": [
    "goal (5 levels, from Microdosing to Heroic)",
    "experience level (3 options)",
    "body weight (kg slider)",
    "consumption method (2 options)"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none; links Drugsinfoline.nl",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "link to Drugsinfoline.nl (information line, not crisis)",
   "named_person": "no",
   "date_shown": "metadata only: modified 2026-06-29",
   "age_gate": "yes",
   "ads": "no",
   "notes": "Results include product suggestions and a 'Trip Stopper' upsell."
  },
  {
   "id": "microdosebros",
   "name": "Magic Mushroom & Magic Truffles Calculator (Microdose Bros)",
   "url": "https://www.microdosebros.com/magic-mushroom-magic-truffles-dosage-calculator/",
   "checked": "2026-10-26",
   "operator": "Microdose Bros, Utrecht smart shop",
   "operator_type": "seller",
   "sells": "magic truffles, grow kits, spores, kratom, CBD, party botanicals",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "body weight (kg, lb, stone)",
    "magic mushrooms or magic truffles",
    "fresh or dry",
    "intensity: Micro, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "generic 'clinical trials'",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "metadata only: modified 2024-03-03",
   "age_gate": "no",
   "ads": "no",
   "notes": "Ends with 'Order now from Microdose Bros Smart Shop.' Text template shared with Zamnesia and GO Microdose."
  },
  {
   "id": "dutchsmart",
   "name": "Magic Truffles Calculator (Dutch-Smart)",
   "url": "https://www.dutch-smart.nl/en/magic-truffles-calculator/",
   "checked": "2026-10-26",
   "operator": "Dutch-Smart B.V., P.O. Box 760, Helmond, Netherlands (KvK 81180772)",
   "operator_type": "seller",
   "sells": "smartshop incl. truffles (Paddoshop), kratom, salvia, headshop, CBD, scales",
   "calculator_type": [
    "truffles"
   ],
   "inputs": [
    "per page text: strain, body weight, experience with psilocybin, expected experience; widget not in static HTML so labels not confirmed"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "yes",
   "names_lithium": "no",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "yes",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "yes",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "no",
   "notes": "Claims psilocybin has 'no physically dangerous breakdown profile' (unsourced)."
  },
  {
   "id": "24high",
   "name": "Magic Mushrooms & Truffles Dosage Calculator (24High)",
   "url": "https://www.24high.com/en/magic-mushroom-calculator/",
   "checked": "2026-10-26",
   "operator": "24High (Dutch-language site, Thuiswinkel badge; address not visible)",
   "operator_type": "seller",
   "sells": "magic mushrooms and truffles, kratom, microdosing products, headshop, seeds, wholesale",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "weight (kg)",
    "shrooms or truffles",
    "fresh or dried",
    "dose: Micro, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none; unsourced claim that microdosing 'can help with stress, depression'",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "yes",
   "ads": "no",
   "notes": "Claims the tool will 'accurately calculate' dosage."
  },
  {
   "id": "healingmushrooms",
   "name": "Magic Mushroom Dosage Calculator with Psilocybin Levels & Tolerance",
   "url": "https://healing-mushrooms.net/magic-mushroom-dosage-calculator",
   "checked": "2026-10-26",
   "operator": "Healing-Mushrooms.net (no person or company named)",
   "operator_type": "media",
   "sells": "affiliate links (spores, 'Buy Magic Mushrooms Now' referral), Amazon Associates",
   "calculator_type": [
    "dose_by_mg_psilocybin",
    "tolerance",
    "combined"
   ],
   "inputs": [
    "species (about 16 incl. sclerotia)",
    "trip level: Micro, Mini, Low, Normal, High, Heroic",
    "dried or fresh",
    "psilocybin and psilocin retention sliders",
    "mg/g fields (auto-filled, editable)",
    "tripped within last 11 days? with grams taken and days since",
    "using a MAO inhibitor?"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none on page",
   "mentions_interactions": "yes",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "yes",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "metadata only: modified 2022-04-13",
   "age_gate": "no",
   "ads": "yes",
   "notes": "Input set closely mirrors the Shroomery calculator (11-day window, MAOI box, retention multipliers)."
  },
  {
   "id": "healingmaps",
   "name": "Shrooms Dosage Estimator (HealingMaps)",
   "url": "https://healingmaps.com/shrooms-dosage-information-guide/",
   "checked": "2026-10-26",
   "operator": "HealingMaps (directory of ketamine, psilocybin retreat, TMS and trial listings)",
   "operator_type": "media",
   "sells": "paid 'Psychedelic Clinical Trial Guide', listing upgrades, clinic report",
   "calculator_type": [
    "dose_by_dried_weight",
    "microdose"
   ],
   "inputs": [
    "body weight (lbs slider)",
    "experience: First time, Occasional, Experienced",
    "target intensity: Microdose, Museum, Common, Strong, Heroic",
    "species/strain grouped by potency tier",
    "preparation method (4 options)"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "yes",
   "warns_potency_varies": "yes",
   "cites_research": "yes",
   "research_cited": "Johns Hopkins 2011 study (Springer link); Garcia-Romeu et al. on body weight; a Wiley study on psilocybin degradation in storage; a 1980s ScienceDirect paper on psilocin content; Johns Hopkins news release",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "yes",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "yes",
   "date_shown": "published 2022-11-08; 'Last reviewed and updated: May 11, 2026' in body; byline shows 2026-08-31 (conflict) (shown)",
   "age_gate": "no",
   "ads": "no",
   "notes": "Only page with a named reviewer. Weight exponent is not traced to a source. Comment section includes unsafe user suggestions left visible."
  },
  {
   "id": "lsdtolerancecalc_shroom",
   "name": "Magic Mushroom Tolerance Calculator (lsdtolerancecalculator.github.io)",
   "url": "https://lsdtolerancecalculator.github.io/shroom-tolerance-calculator.html",
   "checked": "2026-10-26",
   "operator": "unnamed ('Mushroom Tolerance Calculator' footer; GitHub Pages site with sister LSD calculator)",
   "operator_type": "individual",
   "sells": "nothing visible",
   "calculator_type": [
    "tolerance"
   ],
   "inputs": [
    "last dose (g)",
    "desired dose (g)",
    "time since last dose (days and hours)",
    "consecutive days dosing"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none (copyright 2025)",
   "age_gate": "no",
   "ads": "no",
   "notes": "Its 5-day reset contradicts the 14-day figure used by most other tolerance tools."
  },
  {
   "id": "psilobase_tolerance",
   "name": "Tolerance Calculator (Psilobase)",
   "url": "https://www.psilobase.com/microdosing/tolerance-calculator.html",
   "checked": "2026-10-26",
   "operator": "Psilobase ('Your comprehensive guide to psychedelic mushrooms'; no person or org named)",
   "operator_type": "media",
   "sells": "nothing visible",
   "calculator_type": [
    "tolerance",
    "microdose"
   ],
   "inputs": [
    "last dose (grams dried)",
    "hours since last dose",
    "desired next dose (grams)",
    "recent usage pattern (5 options)",
    "dose history, last 14 days (add rows)"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "no",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "nav links 'Crisis Support', 'Emergency Procedures' only",
   "named_person": "no",
   "date_shown": "metadata only: published 2024-01-01, modified 2026-08-14",
   "age_gate": "no",
   "ads": "no",
   "notes": "States 'Taking larger doses to overcome tolerance is not recommended.'"
  },
  {
   "id": "psychedoor_tolerance",
   "name": "Psychedelics tolerance calculator (Psychedoor)",
   "url": "https://psychedoor.com/psychedelics-tolerance-dose-calculator/",
   "checked": "2026-10-26",
   "operator": "Psychedoor (not named on page)",
   "operator_type": "individual",
   "sells": "not visible",
   "calculator_type": [
    "tolerance"
   ],
   "inputs": [
    "last dose (unit label micrograms)",
    "desired dose (micrograms)",
    "days since consumption"
   ],
   "asks_body_weight": "no",
   "has_tolerance_input": "yes",
   "formula_stated": "no",
   "states_assumed_potency": "no",
   "warns_potency_varies": "no",
   "cites_research": "no",
   "research_cited": "none",
   "mentions_interactions": "no",
   "names_lithium": "no",
   "names_ssris": "no",
   "names_maois": "no",
   "mentions_mental_health": "no",
   "mentions_heart": "no",
   "mentions_legality": "no",
   "gives_help_line": "no",
   "help_lines": "",
   "named_person": "no",
   "date_shown": "none",
   "age_gate": "no",
   "ads": "unknown",
   "notes": "Says it covers LSD and magic mushrooms but its unit labels are micrograms (LSD units), so mushroom use is unclear."
  },
  {
   "id": "mushly",
   "name": "Magic Mushroom Dosage Calculator (Mushly)",
   "url": "https://mushly.com/dosage-calculator",
   "checked": "2026-10-26",
   "operator": "Mushly (Mushly Mushroom Info & Spore Shop)",
   "operator_type": "seller",
   "sells": "spore syringes and spore prints",
   "calculator_type": [
    "dose_by_dried_weight",
    "truffles",
    "microdose"
   ],
   "inputs": [
    "weight (kg or lb)",
    "mushrooms or truffles",
    "fresh or dry",
    "level: Micro, Low, Normal, High"
   ],
   "asks_body_weight": "yes",
   "has_tolerance_input": "no",
   "formula_stated": "partly",
   "states_assumed_potency": "no",
   "warns_potency_varies": "yes",
   "cites_research": "yes",
   "research_cited": "Gotvaldova et al. 2021 and 2022; Garcia-Romeu et al. 2021; Rootman et al. 2021, 2022; Szigeti et al. 2021; Nayak et al. (lithium, PMID 34348413); Halman et al. 2024; Gukasyan et al. 2023; Sansone and Sansone 2009; Isbell et al. 1961; Buchborn et al. 2016; DEA fact sheet; plus Erowid",
   "mentions_interactions": "yes",
   "names_lithium": "yes",
   "names_ssris": "yes",
   "names_maois": "yes",
   "mentions_mental_health": "yes",
   "mentions_heart": "no",
   "mentions_legality": "yes",
   "gives_help_line": "yes",
   "help_lines": "Fireside Project; DanceSafe; local emergency number",
   "named_person": "no",
   "date_shown": "none (copyright 2026)",
   "age_gate": "no",
   "ads": "no",
   "notes": "Best-cited calculator page in the set, and one of few that tells users the calculator cannot know potency. Ranks for 'tolerance calculator' queries though it has no tolerance input."
  },
  {
   "id": "codepen_rdr_fr",
   "name": "[Outil RDR] Calculateur de tolerance LSD / psilocybine",
   "url": "https://codepen.io/stephMartin/full/PoxJJKE",
   "checked": "2026-10-26",
   "operator": "Stephanie Martin (CodePen user stephMartin)",
   "operator_type": "individual",
   "sells": "nothing visible",
   "calculator_type": [
    "tolerance"
   ],
   "inputs": "unknown",
   "asks_body_weight": "unknown",
   "has_tolerance_input": "yes",
   "formula_stated": "unknown",
   "states_assumed_potency": "unknown",
   "warns_potency_varies": "unknown",
   "cites_research": "unknown",
   "research_cited": "not visible",
   "mentions_interactions": "unknown",
   "names_lithium": "unknown",
   "names_ssris": "unknown",
   "names_maois": "unknown",
   "mentions_mental_health": "unknown",
   "mentions_heart": "unknown",
   "mentions_legality": "unknown",
   "gives_help_line": "unknown",
   "help_lines": "",
   "named_person": "yes",
   "date_shown": "not visible (image version stamp suggests July 2023, not confirmed)",
   "age_gate": "no",
   "ads": "unknown",
   "notes": "Description: 'Ce calculateur a but purement informatif permet d'estimer la tolerance' (purely informational). Content JS-only; most fields unknown."
  }
 ]
}