Cognitive Enhancement

DSIP (Delta Sleep-Inducing Peptide)

A neuropeptide that promotes slow-wave sleep and has broad regulatory effects on stress hormones and pain.

C35H48N10O15Half-life: 20–30 minutesMolar mass: 848.80 g/mol

⚠ Research & Educational Use Only. DSIP (Delta Sleep-Inducing Peptide) is a research chemical documented here for scientific education. All information references peer-reviewed literature and preclinical/clinical study data. Not for human consumption. Not medical advice. Consult a licensed researcher or healthcare professional before any laboratory use.

Medically reviewed by Dr. Amanda Reid, MDWritten by the KnowYourPeptide Research TeamLast updated April 2026
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Key Takeaways
  • Promotes deep, slow-wave (delta) sleep
  • Reduces cortisol levels — improves stress response
  • Analgesic properties — reduces pain perception
  • DSIP (Delta Sleep-Inducing Peptide) is not FDA-approved for human use. It is a research chemical for scientific study only.

Research At a Glance

  • Promotes deep, slow-wave (delta) sleep
  • Reduces cortisol levels — improves stress response
  • Analgesic properties — reduces pain perception
  • Normalizes disturbed sleep patterns

What is DSIP (Delta Sleep-Inducing Peptide)?

Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring nonapeptide first isolated from rabbit cerebral venous blood in 1974. As its name suggests, it promotes delta (slow-wave) sleep — the deepest, most restorative stage of sleep. DSIP is widely distributed throughout the brain and peripheral organs and is thought to have a broad regulatory role in neuroendocrine function. Research has shown it to modulate cortisol, somatostatin, and LH levels, while also demonstrating analgesic (pain-reducing), antioxidant, and anti-stress effects. It may also have applications in treating withdrawal symptoms from alcohol and opioids.

Key Research Benefits

Documented effects observed in preclinical and clinical studies on DSIP (Delta Sleep-Inducing Peptide). See all Cognitive Enhancement peptides for comparison.

Promotes deep, slow-wave (delta) sleep
Reduces cortisol levels — improves stress response
Analgesic properties — reduces pain perception
Normalizes disturbed sleep patterns
May help with alcohol and opiate withdrawal
Antioxidant effects in CNS
Modulates LH and growth hormone secretion
May reduce blood pressure in hypertensive subjects

Common Stacks

DSIP (Delta Sleep-Inducing Peptide) is frequently combined with the following peptides for synergistic effects. Click any peptide to compare profiles before deciding.

DSIP promotes deep sleep while Ipamorelin maximises the GH pulse that naturally occurs during sleep - synergistic for recovery.

Ipamorelin profile

Both influence the pineal gland and circadian rhythm - together they are used for sleep restoration and anti-aging protocols.

Epitalon profile

Side Effects & Risks

Adverse effects reported in the research literature. All data sourced from preclinical and clinical study reports.

Generally well-tolerated
Excessive sedation at high doses
Headaches
Dizziness
Potential for vivid or unusual dreams

Dosing Data from the Literature

Doses referenced below are sourced from published preclinical and clinical studies. Use the peptide dose calculator to convert these values to injection volume.

Research Dosing Protocol

Typical research dosing: 100–250 mcg subcutaneously, administered 30–60 minutes before desired sleep. Some protocols use 500 mcg to 1 mg for more pronounced effects. Cycles of 5–7 days followed by breaks are recommended.

Enter your vial size and target dose to get the exact injection volume.

Administration in Research Settings

Standard reconstitution and administration methodology for laboratory research use.

Reconstitute with bacteriostatic water. Inject subcutaneously 30–60 minutes before bedtime. Start with lower doses to assess sensitivity. Avoid combining with sedatives or alcohol. Short cycles help prevent receptor desensitization.

Research Video

Explore Further

Quick Reference

Half-Life
20–30 minutes
Molar Mass
848.80 g/mol
Formula
C35H48N10O15
Legal Status
Research chemical — not FDA approved. Legal for research use in most countries.
Storage
Lyophilized: 2–8°C for up to 6 months, -20°C for long-term. Reconstituted: 2–8°C for up to 14 days.

Research Use Only

This information is for educational research purposes only. This is not medical advice. Consult a qualified healthcare professional.