Posted 01 August 2024
Scott Gavura, B.Sc.Phm., M.B.A., RPh. has noted that supplement products of collagen, the major component of connective tissue in the body and the most abundant protein, have been increasingly promoted for the health of skin and hair, and for longevity.
Reference: Gavura, S. Collagen supplementation: Hype and hope. Science-Based Medicine, June 6, 2024]
He concluded:
Based on what collagen is, how it’s absorbed, and how we know collagen is actually synthesized in the body, it’s highly implausible that the tiny amounts of additional protein consumed in most collagen peptide supplements consumed daily will have any meaningful therapeutic effects. Moreover, there is no evidence that if you take a collagen supplement, it will definitively end up in your skin, hair, or joints. Collagen peptides and other forms of collagen are sources of protein that are absorbed and used by the body. But there is no compelling evidence to demonstrate that they provide any meaningful benefits over other less expensive protein supplements — or more simply, just eating a diet with adequate amounts of protein.
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