Oral Steroid / Oral

Methandrostenolone (Dianabol / Dbol)

Original performance oral steroid — developed in the 1950s. Dramatic rapid strength and mass gains dominated by water retention. Highly estrogenic. Split doses 3x daily. Maximum 4–6 week cycles only.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.

Reference dose20–50 mg/day split into 3 doses. Maximum 6 weeks only.

Half-life5 hours

Risk flagextreme

Regulatory noteResearch-only flag

Side effects and watch-outs

⚠️ Significant hepatotoxicity — liver enzymes sharply elevated
Severe water retention and bloating
Gynaecomastia (high aromatisation — AI required)
Blood pressure spikes
HPTA suppression
Hair loss
Acne
⚠️ Maximum 6 weeks — liver toxicity is cumulative
⚠️ CONTRAINDICATED in women (virilisation)
Mandatory: TUDCA 500 mg/day + milk thistle throughout cycle