DSIP
Also known as: Delta Sleep-Inducing Peptide
limited human dataNot FDA approvedResearch only
Published Dose Range
Low25 mcg/dose
Typical50-100 mcg pre-bed
High100 mcg/dose
Short half-life peptide with sleep-modulating effects. Most human data is from older Russian literature.
Published Cycle Range
Short2 wks
Typical4 wks
Long8 wks
Short cycles typical — long-term safety not well-characterized.
Off-cycle: 2 weeks
Administration
Routessubcutaneous
FrequencyOnce nightly
Preferred timing30 min pre-bed
AvoidNot daytime (minimal effect)
Action is fast — dose shortly before desired sleep onset.
Safety Profile
Contraindications
- • Narcolepsy
Common side effects
- • Injection site reactions
- • Morning grogginess (rare)
Serious risks
- • Limited long-term human safety data
Drug interactions
- • Additive CNS depression with sleep medications/alcohol
Pregnancy / breastfeeding
No data — consult clinician
Common Misconceptions
- Not a sedative — modulates sleep architecture rather than forcing sleep
Commonly Stacked With
Epitalon
Next Steps
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