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This is plain-language harm-reduction information, not medical advice. Peptides discussed here are research compounds; most are not approved for human use. People will use them either way — we would rather they have the facts.
What it is
DSIP was isolated in the 1970s from the brains of sleeping rabbits. It was named for its association with delta-wave sleep but its mechanism remains poorly understood despite decades of research.
Anecdotal sleep effects are reported by some users; many notice nothing.
History
Discovered in 1974 by Schoenenberger and Monnier in Switzerland. ~50 years old.
How it works
Mechanism not well established. Hypothesised to modulate the body's natural sleep regulation but no clean receptor pathway has been pinned down.
Dosage
- 100–500 mcg before bed.
How it is taken
- Subcutaneous injection in the evening, ~30–60 min before sleep.
How to reconstitute
- 5 mg vial with 2 ml BAC water = 2.5 mg/ml. 250 mcg = 10 units on a 1 ml insulin syringe.
How it should arrive
White powder, sealed vial.
How it should look once reconstituted
Clear colourless solution.
What to expect, and when
- Effects (if you respond) typically reported on the first night.
Side effects
- Generally well tolerated.
- Occasional mild morning grogginess.
Risks
- Limited long-term data.
- Effectiveness is genuinely uncertain.
Potential gains
- Some users report deeper, more restorative sleep.
- Some users report no effect at all.
Other useful information
Worth honest acknowledgement: this is one of the peptides where individual response is most variable. Try a small amount before a larger purchase.
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