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Bulletin of Experimental Biology and Medicine, 120(9), 1044-1047

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Both have been studied in overlapping contexts (fibroblast proliferation in cited models, tendon repair, muscle injury), but through different enough mechanisms that combination research is scientifically justified

The batch-specific COA is included with every order, documenting purity 99% for both components

Copper peptides are studied for their role in supporting collagen and elastin, the proteins responsible for skin firmness and smoothness

"Inhibition of nicotinamide N-methyltransferase alters cellular metabolism." Biochemical Pharmacology (2018).