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Too much NNMT can lower levels of NAD+, leading to weaker muscles and poorer muscle function as you age

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Of the 60 voluntary participants in this study, those who took hyaluronic acid showed a significant reduction in the depth and length of the wrinkles, compared to those who took placebo as established by microscopic examinations

A landmark 2004 Nature study (PMID: 15565145) established that TB-500 activates integrin-linked kinase (ILK) in cardiac cells, which triggers downstream pro-survival signaling including Akt phosphorylation

The human copper peptide GHK-Cu in skin regeneration and anti-aging Maquart FX, et al

Copper peptides offer different repair signals and usually better tolerability, so the more useful comparison is complementary roles rather than a winner [6]