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SARMs

312 In the index

TFM-4AS-1 TFM

An obscure research-chemical product marketed as a designer muscle-building compound, with unclear origins and very little public information about it. There's essentially no independent research verifying what it actually is, how it works, or whether it's safe.

Also known as TFM4AS1

Effects Build muscle
Routes Oral
Legal status Research chemical
WADA Banned at all times

3D Molecular Structure of C27H33F3N2O2

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  • Carbon
  • Hydrogen
  • Fluorine
  • Nitrogen
  • Oxygen

Chemistry

Formula
C27H33F3N2O2
Molar mass
474.6
CAS
188589-61-9
PubChem CID
10277123

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
Reported range Forum reports: 20-40 mg/day
Route Oral
Frequency Once or twice daily
Duration 4-6 week cycles (unregulated use)

An obscure designer research-chemical product marketed as a muscle-building compound with unclear origins; essentially no independent research verifying its identity, mechanism, or safety.

Where this comes from User-reported/research-chemical vendor 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.