DSIP 5 mg vial
- Bulk Peptide Supply$15Listed price · deal not verifiedCOA tested Feb 17, 2026
- Ignite Peptides$15Buy 1 get 1 free · listed $30 · Cart-checked deal · Nov 13, 2026COA tested Jul 15, 2026
- Alpha Peps$35Listed priceCOA tested Feb 21, 2026
Delta sleep-inducing peptide (DSIP) is a naturally occurring neuropeptide studied in sleep and stress physiology, although its biological role remains unsettled.
Also known as delta sleep · dsip
Current picks · Nov 14, 2026
Up to three of the lowest effective prices per exact product among vendors that passed the trust floor, were in stock and checked within 72 hours, and have a COA on file for that product and strength tested within 12 months. Affiliate relationships never affect picks or their order.
Same format. Same amount.
2 of 3 exact products have at least one pick. Vendor counts reflect the current price observations. Testing records for every vendor and strength: DSIP COAs →
Historical market context
Historical market low and median per mg across recorded offers. These market summaries are separate from our exact-product comparisons.
History updated Sep 21, 2026. Vendor coverage, package sizes, product forms and promotions can vary over time. Use exact-product comparisons for current listed prices; historical market prices do not establish vendor trust.
| Date | Low /mg | Median /mg | Vendors | Offers |
|---|---|---|---|---|
| $0.84 | $5.40 | 86 | 117 | |
| $0.93 | $5.42 | 80 | 107 | |
| $2.11 | $5.41 | 52 | 74 | |
| $0.45 | $5.22 | 33 | 52 |
What it is
PubChem describes DSIP as a nonapeptide found in neural and peripheral tissues and associated with delta sleep observations in mammals. That description is not evidence that a commercial product improves human sleep.
This label describes the available research record, not whether the compound is safe or effective for an individual.
Research context
The indexed literature includes reviews describing DSIP as an unresolved research question. Much of the record is older, mechanistic, or preclinical, and this search did not find a matched registered human study under the exact name.
Search indexed research for this compound ↗Market context
DSIP is commonly sold or discussed for focus, memory, mood, and other cognitive goals. That describes market demand, not proof that the compound is safe or effective.
Market demand and online discussion do not establish product quality, safety, or effectiveness.Vendor directory
Grades describe the vendor record overall, not a test of every product. Lowest prices are effective single-package prices across formats; open a comparison for the exact product.
| Vendor | Grade | Offers | In stock | Lowest effective package |
|---|---|---|---|---|
| Amino Science | Grade A- | 1 | 1 | $32.99 · 10 mg vialObserved Nov 14, 2026 |
| EZ Peptides | Grade A- | 1 | 1 | $58 · 10 mg vialObserved Nov 14, 2026 |
| Nura Peptide | Grade A- | 1 | 1 | $33 · 5 mg vialEarlier observation Oct 9, 2026 |
| Peptide Plugs | Grade A- | 1 | 1 | $40 · 10 mg vialObserved Nov 14, 2026 |
| Polaris Peptides | Grade A- | 1 | 1 | $40 · 5 mg vialObserved Nov 14, 2026 |
| Ascension Peptides | Grade A- | 1 | 1 | $60 · 10 mg vialObserved Nov 14, 2026 |
| Evolve Peptides | Grade A- | 1 | 1 | $40.90 · 5 mg vialObserved Nov 14, 2026 |
| GenPeptide | Grade A- | 1 | 1 | $40 · 10 mg vialEarlier observation Oct 20, 2026 |
| Orbitrex Peptides | Grade A- | 1 | 1 | $39.99 · 10 mg vialObserved Nov 14, 2026 |
| Puratek Peptides | Grade A- | 1 | 1 | $34.95 · 10 mg vialObserved Nov 14, 2026 |
| Southern Aminos | Grade A- | 1 | 1 | $24.75 · 5 mg vialEarlier observation Nov 2, 2026 |
| Bulk Peptide Supply | Grade B+ | 1 | 1 | $15 · 5 mg vialObserved Nov 14, 2026 |
| Rocky Mountain Compounds | Grade B+ | 1 | 1 | $26.25 · 5 mg vialEarlier observation Oct 26, 2026 |
| Ameano Peptides | Grade B+ | 1 | 1 | $58 · 10 mg vialObserved Nov 14, 2026 |
| Blue Ridge Peptides | Grade B+ | 1 | 1 | $35 · 10 mg vialObserved Nov 14, 2026 |
| Glacier Aminos | Grade B+ | 1 | 1 | $59.99 · 10 mg vialObserved Nov 14, 2026 |
| Alpha Peps | Grade B+ | 2 | 2 | $35 · 5 mg vialObserved Nov 14, 2026 |
| Alpha Pro Peptides | Grade B+ | 1 | 1 | $25 · 10 mg vialObserved Nov 14, 2026 |
| Peptide Crafters | Grade B+ | 1 | 1 | $30 · 5 mg vialEarlier observation Nov 1, 2026 |
| Prime Lab Peptides | Grade B+ | 1 | 1 | $40 · 5 mg vialEarlier observation Oct 28, 2026 |
| Oasis Peptides | Grade B+ | 1 | 1 | $37.50 · 5 mg vialObserved Nov 14, 2026 |
| Oros Research | Grade B+ | 1 | 1 | $29.99 · 5 mg vialEarlier observation Oct 29, 2026 |
| Core Peptides | Grade B+ | 1 | 1 | $41 · 5 mg vialEarlier observation Oct 20, 2026 |
| RIVN Peptides | Grade B+ | 1 | 1 | $37.99 · 5 mg vialObserved Nov 14, 2026 |
| Ignite Peptides | Grade B | 1 | 1 | $15 · 5 mg vialObserved Nov 14, 2026 |
| Simple Peptide | Grade B | 1 | 1 | $35 · 5 mg vialEarlier observation Sep 27, 2026 |
| Biolongevity Labs | Grade B | 1 | 1 | $55.97 · 5 mg vialObserved Nov 14, 2026 |
| Coffee and Peppers | Grade B | 1 | 1 | $54.99 · 10 mg vialEarlier observation Oct 4, 2026 |
| Paramount Peptides | Grade B | 2 | 2 | $51 · 5 mg vialObserved Nov 14, 2026 |
| RUO | Grade B | 1 | 1 | $26 · 5 mg vialObserved Nov 14, 2026 |
| NuLife Peptides | Grade B | 1 | 1 | $45 · 5 mg vialEarlier observation Oct 17, 2026 |
| Premier Bio Labs | Grade A- | 1 | 1 | $239.99 · 10 mg vial · pack of 10Earlier observation Sep 21, 2026 |
| Royal Peptides | Grade B | 1 | 1 | $350 · 10 mg vial · pack of 10Observed Nov 14, 2026 |
| NextechLabs | Grade C | 1 | 1 | $45 · 10 mg vialEarlier observation Oct 4, 2026 |
| AIO Peptides | Not graded | 1 | 1 | $24 · 5 mg vialObserved Nov 14, 2026 |
| Nova Life Peptides | Not graded | 1 | 1 | $39 · 5 mg vialObserved Nov 14, 2026 |
| Nuscience Peptides | Not graded | 1 | 1 | $39.99 · 5 mg vialObserved Nov 14, 2026 |
| Peptides 4 Research | Not graded | 1 | 1 | $45 · 10 mg vialObserved Nov 14, 2026 |
| Pharma Grade Peptides | Not graded | 1 | 1 | $44.99 · 5 mg vialObserved Nov 14, 2026 |
| Skye Peptides | Not graded | 1 | 1 | $49 · 5 mg vialObserved Nov 14, 2026 |
| Tydes | Not graded | 1 | 1 | $39.99 · 5 mg vialObserved Nov 14, 2026 |
24 tracked vendors list DSIP without a current offer: Panda Peptides (Grade B+), Peptide Partners (Grade B+), Licensed Peptides (Grade B+), SaiyanMed (Grade B+), TCore Biotech (Grade B), Ion Peptides (Grade B), Chameleon Peptides (Grade B), Eternal Peptides (Grade B), Amino Amigos (Grade B+), Nationwide Peptides (Grade B+), VAYN (Grade B), NextGen Peptides (Grade B), Blank Peptides (Grade B), Vital Core Research (Grade B), Mile High Compounds (Grade B), Peptidology (Grade C), Oath Research (Grade C), Swiss Chems (Grade C), American Peptide Research (Not graded), Atomik Labz (Not graded), Longevity Peptides (Not graded), Northline Labs (Not graded), Planet Peptide (Not graded), Pura Peptides (Not graded).
Sources and review
Last editorial review: Aug 30, 2026. Sources support the compound guide only and do not affect vendor grades.