DSIP (Delta Sleep-Inducing Peptide)
Price range: $36.00 through $48.00
DSIP (Delta Sleep-Inducing Peptide) is a synthetic research-grade neuropeptide studied for its effects on sleep regulation and stress response.
Discount per Quantity
| Quantity | 5 – 9 | 10 + |
|---|---|---|
| Discount | 5% | 10% |
| Price | $34.20 | $32.40 |
Orders over $200: FREE USPS Priority shipping.
- >99% purity — HPLC + MS verified
- Cold-pack insulated mailers
- Discreet US shipping (2–5 days)
- COA available on request
Research Use Only. Not for human consumption. Sold strictly for laboratory and research use.
DSIP (Delta Sleep-Inducing Peptide) was first isolated from cerebral venous blood of rabbits in 1977. It is an amphiphilic nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) that has been extensively studied for its role in modulation of the sleep-wake cycle, hypothalamic-pituitary-adrenal (HPA) axis activity, and various neuroendocrine functions. Research indicates that DSIP promotes slow-wave (delta) sleep and interacts with stress-related hormonal pathways in animal models. It has also been studied for potential analgesic, anticonvulsant, and antioxidant effects. The product is provided as a lyophilized powder with high purity (≥98% by HPLC/MS) and includes full analytical documentation for research use only. DSIP is manufactured under GMP-aligned, ISO-compliant conditions to ensure quality and consistency. It is strictly for research applications and not intended for human use or therapeutic purposes.
| SKU | DSIP |
|---|---|
| Category | Peptides |
| Purity | >99% (HPLC + MS verified) |
| Form | Lyophilized powder |
| Origin | Synthesized in the USA |
Certificate of Analysis
Every lot is verified by reverse-phase HPLC for purity and by mass spectrometry for identity. A current COA is available on request — email sales@limitlesslifenootropics.st with the lot number printed on your vial.
- HPLC purity: >99%
- Identity confirmed by ESI-MS
- Lyophilized, sterile-filtered solutions where applicable
- Stored at −20°C until shipment
Shipping & handling
Orders placed before 2pm CT ship the same business day in cold-pack insulated mailers. USPS Priority delivery in 2–5 business days. Free shipping on US orders over $200.
Frequently asked questions
How should I reconstitute this peptide?
Use bacteriostatic water for short-term lab storage. Direct the diluent down the side of the vial, swirl gently — do not shake.
What is the shelf life?
Lyophilized peptide stored at −20°C is stable for 24+ months. Reconstituted peptide should be refrigerated and used within 2–4 weeks.
Do you ship internationally?
We currently ship within the United States only. International researchers should contact our bulk team for institutional quotes.
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