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It is important to bear in mind that IGF-1 serum concentration is 100-fold greater than insulin, however when bound to IGFBPs its biological activity is modulated and in its free-unbound form presents different effects [99, 157]
Peptides function largely as signaling molecules, tiny messengers that tell cells and organs what to do
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[cited 2023 June 22] 8
They work well in water and shakes, making it easy to take every day
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