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I dont think of this as a performance-enhancing drug in the same way as EPO or an anabolic steroid, McGuire says

Here's what's specific to DSIP: it's a small peptide with a notoriously short biological half-life about 15 minutes due to a specific aminopeptidase that cleaves it rapidly
This shortening is associated with cellular aging and reduced ability for cells to divide and repair

10.1186/s12863-015-0167-2 14 EfeyanA.CombW
