HEALTHSAFETY CONCERN
SARMs (Ostarine, LGD-4033, RAD-140, etc.)
Investigational drugs. Not supplements. Not legal to sell for human use.
EFFECTIVE DOSE
N/A — unapproved pharmaceuticals
HOW IT WORKS
Selective androgen receptor modulators — real anabolic effect, real endocrine suppression.
WHAT THE EVIDENCE SUPPORTS
- Real strength/mass effect — that's not the point
WHAT TO LOOK OUT FOR
- Sold as 'research chemicals' to skirt regulation. FDA has issued repeated warnings.
- Batch contamination and dosing errors are the norm, not the exception.
- WADA-banned in all sports.
SIDE EFFECTS
- Testosterone suppression, liver injury, cardiovascular changes, lipid disruption
SOURCES
Reviewed 11/1/2025 · Brawn Supplement Reviewer
Educational content. Not medical advice. Talk to a licensed professional before starting any supplement, especially if you take medications or have a medical condition.