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Zhang Q, Yan L, Lu J, Zhou X

These molecules help protect cells from reactive molecules called free radicals, which, in high concentrations, can cause oxidative stress

That is a remarkably clean safety record for an active ingredient

In this guide, we explain what these peptides are, what the science says so far, the risks you should know about, and what changed with the FDA in 2026

Some studies indicate that DSIP may influence endogenous opioid signaling, although its effects are not consistently reversed by opioid antagonists, suggesting indirect modulation rather than direct receptor agonism [9]

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