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Progesterone

This article is a stubmissing:
Subjective Effects
Pharmacology
Interactions
Tolerance
History & Culture
Progesterone molecule structureProgesterone molecule structure

Dosage & Duration

Dosage

Doses are population estimates that vary widely between individuals.

Threshold100 mg
Light100-200 mg
Moderate200-400 mg
Strong400-600 mg
Heavy600+ mg
Bioavailability
10%

Duration

Onset30-60 minutes
After Effects4-6 hours
Total2-4 hours

Subjective Effects

Subjective Effects not written up yet

Pharmacology

Pharmacology not written up yet

Interactions

Interactions not written up yet

An unlisted combination is an unknown one, not a safe one. Check a dedicated combination chart before mixing.

Check TripSit

Tolerance

Tolerance not written up yet

Harm Potential

Addiction & Dependence

Psychological

Low

Dependence is described as sparsely reported, with one cited post-menopausal HRT addiction case.

Physical

Low

Tolerance to effects of progesterone metabolites on GABA is described as developing over years and returning toward baseline after cessation.

Toxicity

reproductive/endocrine

High doses are described as antifertility and expected to impair fertility until cessation.

central nervous system

Dangerous depressant combinations may cause blackouts, loss of motor control, or potentially anesthetic-level effects.

oral/gum

Progesterone may increase risk of gingivitis.

Carcinogenicity
Possible

Cancer-related evidence is mixed and context-dependent; animal tumor promotion and epidemiological breast-cancer signals are quoted, but clinical relevance is not fully established.

Evidence Basis
Human EpidemiologicalLimited
Animal Models
Positive

History & Culture

History & Culture not written up yet

Legality

International

Progesterone is widely available by prescription or sometimes over the counter and is generally not controlled.

By Country

Prescription2
United States flagUnited StatesPrescription only
Canada flagCanadaPrescription only

References

Citations

Article Status

  • Josie Kins avatar
    Step 1 · Automated synthesis

    An autonomous workflow built by Josie Kins compiled this article's foundation from information published across the web.

  • Step 2 · First-pass reviewPending

    Not yet reviewed — this article is pending editorial review by Lyrea.

  • Step 3 · Citation reviewPending

    No one has reviewed this article's citations yet. That second pass checks each claim against the source it cites.

Recent changes7 human edits · latest

Times are UTCNewest first

24 January 2026

  1. Josie Kins · Updated the article · also 1,4-Butanediol, 1B-LSD, 1cP-AL-LAD and 573 more

  2. Josie Kins · Updated the article · also 1,4-Butanediol, 1B-LSD, 1cP-AL-LAD and 573 more

  3. Josie Kins · Updated the article · also 1,4-Butanediol, 1B-LSD, 1cP-AL-LAD and 573 more

  4. Josie Kins · Updated the article · also 1,4-Butanediol, 1B-LSD, 1cP-AL-LAD and 573 more

  5. Josie Kins · Updated the article · also 1,4-Butanediol, 1B-LSD, 1cP-AL-LAD and 573 more

  6. Josie Kins · Updated the article · also 1,4-Butanediol, 1B-LSD, 1cP-AL-LAD and 573 more

  7. Josie Kins · Updated the article · also 1,4-Butanediol, 1B-LSD, 1cP-AL-LAD and 573 more

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