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DSIP

The 'sleep peptide,' with a question mark.

What it is

Delta sleep-inducing peptide, a nine-amino-acid peptide first isolated from rabbits in the 1970s.

What research has looked at

Studied in animals and a handful of small, older human studies for sleep and stress.

What's still unknown

Results have been inconsistent, its natural role is still unclear, and it isn't approved for human use.

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For research use only. Not for human consumption, and not medical advice. Fulfilled by Peptides ATX. Read the full disclaimer at checkout.