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"Right now these peptides are largely bought online with no oversight at all, and testing has found purity as low as 5 percent along with contamination from heavy metals like arsenic and lead

The peptide demonstrates the ability to neutralize free radicals and protect cells from oxidative damage that accelerates aging processes

(5) Research has shown that by preserving nicotinamide from NNMT-mediated degradation, the compound may enhance NAD+ synthesis through the salvage pathway

A 2023 analysis of commercially available research peptides found that 12% of tested products contained less than 90% of the labeled peptide content, with the remainder consisting of degradation products, synthesis byproducts, or unrelated compounds 10