Amazon.com: O NATURE . ZIRAN NAD Supplement Liposomal Nicotinamide Riboside, Resveratrol, Quercetin, NAD Nicotinamide Riboside Resveratrol 900mg, NAD+ Supplement for Men and Women, 120 Capsules I spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. Modulatory effects of BPC 157 on vasomotor tone and the activation of Src Caveolin 1 endothelial nitric oxide synthase pathway Scientific Reports