fda warning letters bpc-157 2024 issued 25 to telehealth companies for false and misleading claims about compounded GLP-1 products. Unlike FDA-approved drugs, these products have not been proven to be safe, effective, or of The Unregulated World of Peptides:

That is not optimization

The peptides proposed mechanism involves activation of the VEGFR2 pathway (promoting angiogenesis), nitric oxide synthesis via the Akt-eNOS axis, and modulation of the dopaminergic system

Cancer 130 , 17151725 (2012)

These studies, even in diabetic conditions (Seveljevic-Jaran et al., 2006

It was originally isolated in 1977 from the cerebral venous blood of rabbits and has since been found to be present in small amounts in human brains and plasma, with higher concentrations later in the day.3 4 It, or a similar substance, is also present at higher concentrations in human breast milk.5 Because DSIP can cross the blood-brain barrier and is easily absorbed via the gut (unusual for a peptide), some researchers have hypothesized that it may facilitate post-feeding sleep tendencies among newborns, though it remains unclear whether DSIP truly has a hand in neonate sleep-wake cycles.4 5 6 Its mechanism of action is likewise unclear, but it may have something to do with endocrine regulation