Ethylestrenol ETHYL

An oral steroid once approved (as Maxibolin) for conditions that cause muscle wasting, later pulled from the U.S. market. Older studies supported modest muscle benefits in that specific use, but it's no longer made or used medically today.

Also known as Maxibolin

Effects Build muscle

Routes Oral

Legal status Controlled substance

WADA Banned at all times

3D Molecular Structure of C₂₀H₃₂O

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Chemistry

Formula: C20H32O
Molar mass: 288.5
CAS: 965-90-2
PubChem CID: 13765

Reported dosing

Approved label

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose Not established (discontinued, no legitimate human use)

Reported range Historical clinical dosing: 4-8 mg/day (as Maxibolin, discontinued)

Route Oral

Frequency Once or twice daily

Duration Chronic (historical clinical use)

Once FDA-approved (as Maxibolin) but withdrawn from the market; no current legitimate source.

Where this comes from Historical FDA-approved product labeling (discontinued)

These figures are recorded for reference and are not a recommendation. Dosing is a decision for you and a clinician.