Where is Follistatin Found: Sources and Natural Production
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4 min read
Follistatin is a naturally occurring glycoprotein found in a wide variety of tissues in higher animals, with its discovery first documented in porcine ovarian follicular fluid. Its primary function involves binding and neutralizing growth factors, most notably myostatin, to regulate muscle growth and other cellular processes. While synthesized throughout the body, specific tissues exhibit higher expression levels, and certain dietary inputs may also influence its availability.
