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This organ-specific targeting distinguishes Russian bioregulators from Western peptides like BPC-157 which work systemically

It is also known as PL 14736 and Bepecin

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

Each lot of BPC-157 + TB-500 is independently tested

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No specific, confirmed DSIP receptor has been identified, making it unusual among characterised neuropeptides