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Description
Because it's applied to the skin rather than swallowed, this article doesn't classify it as a dietary supplement - that's a determination best confirmed directly with the brand

MS (ESI) m/z:554.25, found 555.26 [M + H] +

These findings suggest that both NNMT and its product MNA increase Sirt1 protein expression, while Sirt1 is needed for the regulatory effects of NNMT and MNA on glucose metabolism [14]

Solaray has been manufacturing supplements since 1973 (50+ years) and is one of the pioneering brands in the herbal and natural supplement space

Regulatory note: Injectable GHK-Cu is not FDA-approved for human administration and is sold only as a research chemical [10]
