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
Thymosin alpha-1, also known as thymalfasin and marketed as Zadaxin in some countries, works through a mechanism that is genuinely unusual among immune-affecting compounds
Warehouses 5-Amino-1MQ (5-Amino-1-methylquinolinium iodide, CAS 42464-96-0) is a synthetic small-molecule quaternary quinolinium compound supplied by Nextday Peptides in powder vial format for laboratory and analytical research applications
Clinical Update 5/09/2023 Filtering Out PFAS Weve added information about an add-on to Brita filters that claims to remove potentially dangerous PFAS from drinking water
Semax: The clinical stroke protocol is 6,000 mcg daily for 10 days