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S4 (Andarine) — research compound

S4 (Andarine)

Growth

Background

Andarine (S4) is a SARM (selective androgen receptor modulator) studied for its effects on lean muscle and bone tissue via selective binding to androgen receptors, originally developed as a potential treatment for muscle wasting and osteoporosis.

Not FDA-approved for human use; sold for research purposes only.

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MR SARMTop pick

Australia

A$90.00
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MuscleChem

United Kingdom

£49.99
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