The concept of incretin effect was first proposed by Creutzfeldt in the 1970s (1, 2), based on the early observations that insulin secretion was two to three times higher after oral glucose intake than that after an isocaloric intravenous glucose administration (35)
But those benefits come from understanding the compounds themselves, not from believing marketing narratives that misrepresent their mechanisms and magnitudes
Copper peptides should generally not be applied in the same routine as vitamin C, AHAs, BHAs, or retinoids
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doi: 10.1016/j.neuroscience.2015.03.017 30
In practical terms, products sold under the name DSIP are typically marketed as research chemicals , not as approved or compounded medications which means there is no approval-backed assurance of identity, purity, dosing, or clinical appropriateness, and significant sourcing risk