FST 344 · Build muscle

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FST 344

FST

$309.00USD

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1mg x 10 vials

$309.00

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Description

FST-344 (Follistatin 344) is a synthetic 344-amino-acid isoform of follistatin, a naturally occurring glycoprotein that acts as a potent myostatin inhibitor. By binding and neutralizing myostatin and other TGF-β family members (such as activin), it promotes significant increases in skeletal muscle mass, strength, and lean body mass while reducing fat. It has been studied mainly in gene therapy contexts (e.g., AAV-delivered) for muscle-wasting diseases like muscular dystrophy and is popular in experimental/bodybuilding circles for its muscle-building potential. It remains unapproved for clinical use. This content is for research purposes only and is provided solely for reference. It must not be interpreted as health, clinical, or legal advice or guidance.

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