DSIP (Delta Sleep-Inducing Peptide) (5mg)

Why Buy DSIP from Official Peptides

Official Peptides offers DSIP (Delta Sleep-Inducing Peptide) at research-grade purity with independent third-party HPLC verification. We ship cold-pack from the US with same-day dispatch and maintain consistent stock for ongoing research programs. Researchers studying sleep neurobiology and neuropeptide function choose Official Peptides for our quality standards and competitive pricing.

DSIP Research Profile

DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide originally isolated from rabbit cerebral venous blood in 1977. It has been studied for its role in sleep regulation, specifically in promoting delta (slow-wave) sleep patterns in animal models. Beyond sleep research, studies have also examined DSIP’s effects on stress response modulation, cortisol and ACTH regulation, antioxidant properties, and potential neuroprotective activity. Research remains primarily preclinical. For research use only; not FDA-approved.

Product Specifications

• Purity: ≥99% (HPLC verified)
• Format: Lyophilized powder
• Quantity: 5mg per vial
• Storage: Refrigerate at 2-8°C; protect from light
• Shipping: USPS Priority Mail with cold pack; ships within 1 business day

Frequently Asked Questions

Q: What was DSIP’s original discovery context?
A: DSIP was first described by Monnier et al. in 1977, isolated from the cerebral venous blood of rabbits during electrically induced sleep. When administered to other subjects, it was observed to induce delta sleep patterns, leading to its designation as a delta sleep-inducing peptide. Its endogenous function and full mechanism of action remain areas of active investigation.

Q: What other physiological effects has DSIP research examined?
A: Beyond sleep induction, published research has examined DSIP’s potential role in stress axis modulation, LH and ACTH regulation, antioxidant enzyme activity, and nociception. Some studies have also investigated its effects in withdrawal and addiction models in animal research.

Q: Is DSIP available with purity documentation?
A: Yes. Every batch of DSIP from Official Peptides is tested by an independent third-party laboratory using HPLC and mass spectrometry. Certificates of analysis are available upon request for any purchase.

Order DSIP Online

Purchase research-grade DSIP from Official Peptides. Secure US-based checkout, cold pack shipping, and quality documentation included with every order. Free shipping on orders over $150.

For Research Use Only. This compound is intended strictly for in vitro laboratory research by qualified scientists. Not for human consumption. Not FDA approved. Keep out of reach of children.