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Reviewed against editorial standards · Updated 2026-01-29

DSIP: Dosage & Administration

Part of the DSIP Complete Guide

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DSIP Dosage Protocols

DSIP (Delta Sleep Inducing Peptide) dosing in research:

ProtocolDoseFrequencyTiming
Sleep research100–250 mcgOnce daily30–60 minutes before bed
Stress/pain research100–300 mcgOnce dailyMorning or evening

DSIP was originally isolated from rabbit brain during induced sleep and named for its ability to promote delta wave (slow-wave) sleep activity when injected into awake rabbits. Despite its name, research has shown DSIP's effects extend well beyond sleep to include stress modulation, pain regulation, and endocrine effects.

Reconstitution & Preparation

DSIP typically comes in 2mg or 5mg lyophilized vials:

  • 2mg vial + 2mL BAC water = 1mg/mL (1,000 mcg/mL) — draw 0.1mL for 100 mcg, 0.25mL for 250 mcg
  • 5mg vial + 2mL BAC water = 2.5mg/mL — draw 0.1mL for 250 mcg

Use the peptide calculator for precise volumes. See the reconstitution guide for preparation.

Timing & Cycle Length

DSIP timing considerations:

  • Sleep applications: Administer 30–60 minutes before intended sleep time
  • Cycle length: Protocols typically run 2–4 weeks. Some research uses intermittent dosing (every other day)
  • No fasting requirement: DSIP's sleep-modulating effects are not affected by food intake
  • Tolerance: Some research suggests effects may diminish with extended daily use, supporting the use of cycling or intermittent dosing

Storage

Standard peptide storage:

  • Lyophilized: -20°C long-term, 2–8°C for months
  • Reconstituted: Refrigerate at 2–8°C, use within 28 days

See the peptide storage guide.

FAQ

Frequently Asked Questions

References

  1. [1] Graf MV, Kastin AJ.. Delta-sleep-inducing peptide (DSIP): a review. Neuroscience & Biobehavioral Reviews, 1984.
  2. [2] Schneider-Helmert D, Schoenenberger GA.. Effects of DSIP in man. Multifunctional psychophysiological properties besides induction of natural sleep. Neuropsychobiology, 1983.

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Austin Danner

Founder & Editor in Chief

Founder of Peptides Insider. Independent researcher focused on translating peer-reviewed peptide research into practical, evidence-based guides.

Reviewed against Peptides Insider editorial standards · Last reviewed 2026-01-29.