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Calusterone CALU

A steroid pill once approved for treating breast cancer before being pulled from the market. Older trials supported its cancer-fighting use in that specific context, but it has no current medical use and no modern human research.

Also known as Methosarb

Effects Build muscle

Routes Oral

Legal status Controlled substance

WADA Banned at all times

3D Molecular Structure of C₂₁H₃₂O₂

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Chemistry

Formula: C21H32O2
Molar mass: 316.5
CAS: 17021-26-0
PubChem CID: 28204

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Typical dose Not established (discontinued/withdrawn)

Reported range Historical clinical dosing: 40-200 mg/day (oncology)

Route Oral

Frequency Divided doses, 2-4 times daily

Duration Chronic (historical oncology use)

Once FDA-approved for breast cancer (as Methosarb) but withdrawn from the US market; no current legitimate source.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.