Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) found in the hypothalamus and peripheral blood that promotes deep (delta-wave) sleep and modulates stress hormone release.
Neuropeptide
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) found in the hypothalamus and peripheral blood that promotes deep (delta-wave) sleep and modulates stress hormone release.
Looking to buy DSIP online? Because DSIP is FDA-approved, licensed US telehealth clinics can prescribe and ship it after a clinical consultation. We've vetted 1 option that operate transparently in 2026 — see real customer ratings and pricing below. Pricing varies by program and medication.
Licensed US clinicians · 503A/503B compounding pharmacies · Discreet shipping
These are licensed US telehealth clinics that prescribe DSIP for patient use. Some links are affiliate links; editorial selection is independent. See our affiliate disclosure.
Research Use Only — not intended for human consumption
Research peptides are sold for laboratory use only and are not intended for human consumption.
Week-by-week dosing, reconstitution steps, supplies checklist, and cycle tips.
Week-by-week dosing protocol2 clinics in our directory offer DSIP. Use the button below to find one near you.
Neuropeptide
Neuropeptide involved in reproductive hormone regulation and sexual health.
Neuropeptide
Oxytocin is a 9-amino acid nonapeptide neuropeptide produced in the hypothalamic paraventricular and supraoptic nuclei, with wide-ranging effects on social bonding, anxiety, pain modulation, inflammation, and uterine/mammary function.
Neuropeptide
VIP (Vasoactive Intestinal Peptide) is a 28 amino acid neuropeptide that functions as a potent endogenous ligand for VPAC1 and VPAC2 receptors.
Articles about DSIP and related topics
Peptide Sciences, the largest grey-market research peptide vendor in the US, voluntarily shut down on March 6, 2026. Here is what happened, why it closed, and what the closure means for researchers and the broader peptide industry.
Looking for where to buy retatrutide for research use? Here’s a supplier checklist (COAs, testing, reviews, red flags) plus the clinical-trial pathway for legitimate access.
The injectable peptides craze is sweeping the US, with many individuals experimenting for various health benefits. Learn the key facts and implications for patients.
MyPeptideMatch.com does not provide medical advice. Always consult a qualified healthcare provider before starting any peptide therapy. Regulatory status may change.