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SARMs / Myostatin inhibitors

319 In the index

Follistatin 344 FST-344

A close relative of Follistatin 315, studied similarly in animals for blocking the same muscle-limiting signal. Like its counterpart, all the supporting evidence is from animal studies, with no human trials at all.

Also known as FS-344

Effects Build muscle
Routes Injectable
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 Not established for humans
Reported range Animal/in-vitro study doses only; forum reports of 100 mcg/day injections circulate without supporting human data
Route Subcutaneous injection
Frequency Once daily (per forum reports)
Duration Not established

A myostatin-inhibiting protein studied only in animal/cell models; no human clinical trials exist. Human use is entirely unsupervised and unstudied.

Where this comes from Animal/in-vitro studies only; user-reported research-chemical literature

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.