320 In the index

Enobosarm metabolite OST-M

A breakdown product formed when the body processes the SARM enobosarm (ostarine), used mainly as a marker in drug-testing labs to detect use. It isn't something taken on its own or studied as its own treatment.

Also known as S-22 metabolite

Effects Build muscle

Routes Oral

Legal status Research chemical

WADA Banned at all times

Reported dosing

User-reported

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

Typical dose Refer to Ostarine/Enobosarm dosing: 10-25 mg/day

Reported range 10-30 mg/day

Route Oral

Frequency Once daily

Duration 6-8 week cycles (unregulated use)

Refers to a breakdown product of enobosarm (Ostarine/MK-2866, still in FDA trials for muscle wasting); listed separately by some testing labs/vendors, but pharmacologically tied to the parent SARM.

Where this comes from User-reported/research-chemical vendor literature; ongoing clinical trials of parent compound

There is no approved human dosing for this compound. The figures above are what users and vendors report, not what has been established as safe or effective. Treat them as a record of what is done, not as guidance.