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Conclusion Glucosamine and chondroitin remain controversial supplements for those over 55

The rationale for these modifications is rooted in a practical challenge: tetrapeptides like Epithalon are rapidly degraded by aminopeptidases and carboxypeptidases in experimental systems, limiting the duration of exposure in research protocols

[DOI] [PMC free article] [PubMed] [Google Scholar] 22.Yang WS, SriRamaratnam R, Welsch ME, Shimada K, Skouta R, Viswanathan VS, et al

doi: 10.1007/s13167-019-00194-x

8 (9), e1801521 (2019)

physiology 110, 28593
