Sleep
2 peptides in this category.
Beginner-friendly
Melatonin
N-acetyl-5-methoxytryptamine
The body's own sleep-onset hormone, sold as an over-the-counter supplement in most jurisdictions. Effective and cheap when used correctly — and chronically overdosed by almost everyone who uses it.
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DSIP
Delta Sleep-Inducing Peptide
A 9-amino-acid peptide originally isolated from rabbit brain on the hypothesis that it triggers delta-wave sleep. The real-world signal in humans is mixed and the trial base is small and old.
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