Andarine (S4) is one of the original SARMs, known for its cutting and hardening properties. It provides lean muscle retention while supporting fat loss.

Research Benefits

Vision Side Effect

S4 can cause temporary yellow tint vision at higher doses due to binding to eye receptors. This reverses upon discontinuation.

Dosing

25-50mg daily, often split into 2-3 doses. 5 days on, 2 days off protocol common.

Research compounds are NOT equivalent to FDA-approved pharmaceuticals.

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