
DSIP
SKU: FC6599
In stock — Order by 4 PM ET Mon–Fri or 12 PM ET Sat — ships same day. Free 2-Day shipping on orders over $300.
DSIP (Delta Sleep-Inducing Peptide) – 5 mg DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring neuropeptide widely used in laboratory research to study sleep regulation, circadian rhythm modulation, and neuroendocrine function. Originally isolated from the brain, DSIP is commonly investigated in experimental models examining stress adaptation, hormone release, and neuronal protection. In stock and ready to ship. Buy DSIP online from Dr Jays Peptides — third-party tested, with a certificate of analysis available on request. Order by 4:00 PM ET Monday–Friday or 12:00 PM ET Saturday and it ships the same day with tracking. Ships same day. Order by 4 PM ET Mon–Fri or 12 PM ET Sat. Choose Ground, 2-Day or Next Day at checkout. Free Next Day shipping on orders of $350 or more. Tested. Certificate of analysis available on request. Earn rewards — registered customers get loyalty points on every order. Research applications also explore its potential role in oxidative stress modulation and neuroprotective pathways under controlled laboratory conditions. Product Specifications Peptide Name: DSIP (Delta Sleep-Inducing Peptide) Purity: See Certificate of Analysis Form: Lyophilized powder Quantity: 5 mg per vial Storage Conditions: Store at -20°C (-4°F) prior to reconstitution After reconstitution, refrigerate at 2–8°C (36–46°F) Use within 30 days of reconstitution Areas of Laboratory Investigation DSIP may be incorporated into experimental models involving: Sleep regulation and circadian rhythm studies Stress adaptation and cortisol modulation research Neuroprotection and oxidative stress models Endocrine system and hormone balance investigations Prefer a needle-free format? DSIP is also available as a pre-mixed DSIP nasal spray (10mg) — ready to use, no reconstitution required.
Reconstitution Chart (2 mL)
Mixing reagent: Bacteriostatic water. Add 2 mL to the vial.
| Vial size | Concentration | Per 1 unit (100-unit syringe) | Per 10 units |
|---|---|---|---|
| 5 mg | 2.5 mg/mL | 25 mcg | 250 mcg |
Chart shows mixing math only.
For research use only.
Commonly discussed DSIP dosages
The figures below reflect dosages commonly discussed in online communities and anecdotal reports for DSIP. They are provided for reference only — this is not medical advice and not a dosing recommendation.
| Commonly discussed dose | Commonly discussed frequency |
|---|---|
| 100–200 mcg | Once daily, commonly discussed before sleep |
Additional product information
We'll reply with the lot-specific COA where one is available for your selection.
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Bulk & lab orders
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- Ships from Jacksonville, FL · Ground $8 · 2-Day $15 · Next Day $40 · Free 2-Day over $300.
- Bacteriostatic water included — the correct amount for reconstitution, in every order.
- Quality & documentation · Batch-traceable · Veteran-owned · 20% of profits donated to animal charities.
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- Sealed, lyophilized vial — Default
- Bacteriostatic water — appropriate size for reconstitution, included free
- Certificate of Analysis available — view COAs
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Documentation on request
Each research compound is analysed by HPLC with identity confirmed by mass spectrometry. Ask for the Certificate of Analysis covering current stock and we will send the document for the lot shipping to you.
Documentation libraryReference specifications published
Manufacturer ADS/SDS reference sheets for hundreds of compounds are published on this site, alongside handling, storage and reconstitution guidance.
Quality standardsClear fulfilment timing
Order by 4 PM ET Mon–Fri or 12 PM ET Sat — ships same day. Ground $8 · 2-Day $15 · Next Day $40 · Free 2-Day over $300.
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Contact supportVeteran owned, fulfilled in Florida
Dr Jays Peptides is veteran owned and operated, and orders are packed and dispatched from Jacksonville, Florida.
About usDSIP — frequently asked questions
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