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Nootropic

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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Reference information only. Always confirm with your clinician before changing your protocol.