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That specificity is both its strength and its limitation
The peptide component might provide additional anti-ageing benefit, but only with realistic expectations, consistent long-term use, and understanding that results wont approach what injectable treatments deliver
Coombes BK, et al
A Nampt inhibitor FK866 mimics vitamin B3 deficiency by causing senescence of research-subject fibroblastic Hs68 cells via attenuation of NAD(+)-SIRT1 signaling
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