Molecular Weight: 848.824 Da | 9 Amino Acids (Nonapeptide) | Form: Lyophilized | Purity: 99%+ HPLC
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring 9-amino-acid neuropeptide (nonapeptide) first identified in 1977. In preclinical and in-vitro research, DSIP is documented for sleep-cycle modulation, cortisol and HPA-axis pathway research, opioid-receptor interactions, serotonin/dopamine/MAO-A signaling, and mitochondrial/oxidative-stress protection models. Note: human sleep studies have produced mixed results — DSIP is considered a neuromodulatory research tool rather than a direct sedative compound. Each vial contains 10mg of lyophilized DSIP at 99%+ HPLC-verified purity, with a batch-specific Certificate of Analysis available for download. *
DSIP
Delta Sleep-Inducing Peptide
Mechanism of Action• Sleep-Cycle & EEG Modulation: studied for influencing slow-wave sleep patterns in EEG models — with mixed results across human studies; considered a neuromodulatory tool rather than a direct sedative.
• Cortisol & HPA-Axis Research: studied for lowering cortisol levels and modulating the HPA axis; also researched for somatostatin inhibition and stress-response pathway regulation.
• Opioid Receptor & Serotonin Pathways: researched for central opioid-receptor modulation and for influencing serotonin, dopamine, and MAO-A signaling in neurological research models.
Together these make DSIP a key tool in sleep-cycle, stress-response, pain-pathway, and neurological research.
| Compound | DSIP (Delta Sleep-Inducing Peptide) |
| Sequence | Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE) |
| Amino Acids | 9 (nonapeptide) |
| Formula | C₃₅H₄₈N₁₀O₁₅ |
| MW | 848.824 g/mol |
| CAS Number | 62568-57-4 |
| Synonym | Emideltide · DSIP nonapeptide · PubChem 68816 |
| Purity | ≥ 99% by HPLC |
| Identity | Confirmed by LC-MS |
| Form | Lyophilized powder |
| Vial Size | 3mL glass vial · 10mg (single size, in stock) |
| Additives | None |
| Batch COA | Available for download |
DSIP is studied across multiple preclinical research areas:
- Sleep-cycle regulation & slow-wave sleep EEG research
- Cortisol & HPA-axis modulation research
- Opioid-receptor modulation & pain-pathway research
- Serotonin, dopamine & MAO-A pathway research
- Mitochondrial function & oxidative-stress protection models
- Somatostatin inhibition & hormone-regulation research
For research teams investigating sleep-cycle biology, stress-response pathways, and neuropeptide research.
Storage & HandlingStorage: store lyophilized powder at -20°C long term; once reconstituted, store at 4°C, protect from light and moisture.
Handling: research use only; handle by licensed, qualified professionals with PPE. Reconstitution chemistry is the sole responsibility of the receiving research institution.
FEATURED INGREDIENTS
All Ingredients
Sleep-Cycle Research
A naturally occurring 9-aa neuropeptide studied for its role in slow-wave (deep) sleep regulation and circadian rhythm modulation in neurological models.
Stress & Cortisol Research
Studied for lowering cortisol levels and modulating the body’s stress-response (HPA) axis, including somatostatin inhibition in preclinical models.
Multi-Pathway Neuropeptide
Researched across opioid-receptor, serotonin/dopamine/MAO-A, and mitochondrial-function pathways — making it a broad neurological research tool.
PRODUCT BENEFITS
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Sleep-Cycle Research A naturally occurring 9-aa neuropeptide studied for modulating slow-wave sleep and how the brain regulates sleep cycles — though human studies have produced mixed results.
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Appetite Control Research Studied for helping the body feel full by sending "stop eating" signals from the gut to the brain — relevant to appetite and energy-intake research.
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Blood Sugar Research Researched for signaling the pancreas to release insulin when blood sugar is high — studied in glucose-regulation and beta-cell research models.
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Stomach Emptying Research Studied for slowing how fast food leaves the stomach, helping control how quickly nutrients enter the blood in metabolic models.
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Heart & Brain Research Examined in cardiac-function and neuroprotection models, including amyloid-beta research relevant to neurological pathway studies.
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99%+ HPLC-Verified Purity Independently verified by third-party labs via HPLC and LC-MS; batch-specific COA and SDS available pre-purchase.
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DSIP is a naturally occurring 9-amino-acid neuropeptide studied as a broad neuromodulatory research tool. It is documented across sleep-cycle regulation, cortisol and HPA-axis modulation, opioid-receptor interactions, and serotonin/dopamine/MAO-A pathway research — making it one of the most multi-functional neuropeptides in preclinical neurological research.*
WHAT TO EXPECT
Independently verified by third-party labs
Batch number printed on every vial
Orders before 2 PM EST ship same business day
Plain FedEx/UPS, return label: Shipping Manager
Real human responses within hours
Independently verified by third-party labs
Batch number printed on every vial
Orders before 2 PM EST ship same business day
Plain FedEx/UPS, return label: Shipping Manager
Real human responses within hours
Sleep-Cycle & EEG Modulation
Studied for influencing slow-wave sleep patterns in EEG models. Note: human sleep studies have produced mixed results — DSIP is studied as a neuromodulatory peptide that may regulate sleep-cycle timing rather than act as a direct sedative.
Cortisol & HPA-Axis Pathways
Researched for lowering cortisol levels and modulating HPA (hypothalamic-pituitary-adrenal) axis activity, including somatostatin inhibition and stress-response regulation in animal models.
Opioid Receptor, Serotonin & MAO-A Research
Studied for interactions with central opioid receptors in pain-pathway models, and for influencing serotonin, dopamine, and MAO-A (monoamine oxidase A) signaling in neurological research. Mitochondrial-function and oxidative-stress protection models also documented.
ALL DETAILS
- Sleep-Cycle & EEG Modulation — Studied for influencing slow-wave sleep patterns in EEG models. Note: human sleep studies have produced mixed results — DSIP is studied as a neuromodulatory peptide that may regulate sleep-cycle timing rather than act as a direct sedative.
- Cortisol & HPA-Axis Pathways — Researched for lowering cortisol levels and modulating HPA (hypothalamic-pituitary-adrenal) axis activity, including somatostatin inhibition and stress-response regulation in animal models.
- Opioid Receptor, Serotonin & MAO-A Research — Studied for interactions with central opioid receptors in pain-pathway models, and for influencing serotonin, dopamine, and MAO-A (monoamine oxidase A) signaling in neurological research. Mitochondrial-function and oxidative-stress protection models also documented.
The "DSIP" Peptide |
No fillers | No artificial additives | No excipients | 99%+ HPLC verified · batch COA | No repackaged imports | No human-use claims |
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DSIP Peptide
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Other Peptide |
The "DSIP" Peptide
| Compare to: | DSIP Peptide |
Other Peptide |
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| No fillers | ||
| No artificial additives | ||
| No excipients | ||
| 99%+ HPLC verified · batch COA | ||
| No repackaged imports | ||
| No human-use claims |
FAQs
GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper Complex) is a naturally occurring copper-binding tripeptide studied extensively in preclinical and in vitro research models. It is primarily researched for its role in tissue repair, collagen synthesis, wound healing, gene expression modulation, hair follicle biology, and antioxidant defense pathways.
Lyophilized means the compound has been freeze-dried — water is removed under vacuum to produce a stable powder. This process significantly extends shelf life and preserves compound integrity during storage and shipping. Lyophilized peptides are the research-grade standard because they maintain purity far longer than liquid formulations.
Each batch of GHK-Cu is independently verified at ≥99% purity using HPLC (High-Performance Liquid Chromatography). Identity is further confirmed by LC-MS (Liquid Chromatography-Mass Spectrometry). A batch-specific Certificate of Analysis (COA) is available for download before purchase.
Store lyophilized GHK-Cu at −20°C upon receipt. Keep protected from light, heat, and moisture. Do not open the vial until needed for your research protocol. Under proper storage conditions, lyophilized GHK-Cu maintains compound integrity for up to 24 months.
No. Peptides Verse does not provide reconstitution, dosing, or administration guidance of any kind. All reconstitution protocols are the sole responsibility of the qualified researcher or institution receiving this compound. This product is strictly for in vitro and laboratory research use only.
Yes. A batch-specific COA is available for every vial of GHK-Cu sold by Peptides Verse. The COA includes HPLC purity data, LC-MS identity confirmation, lot number, and testing lab details. It can be downloaded directly from the product page before or after purchase.
GHK refers to the free tripeptide (Glycyl-L-Histidyl-L-Lysine) without copper. GHK-Cu is the copper-chelated form — where a Cu² ion is bound to the tripeptide. The copper-chelated form is the biologically active version studied in most published research on wound healing, collagen synthesis, and gene expression modulation.
No. GHK-Cu from Peptides Verse is strictly for in vitro research and laboratory experimentation only. It is not intended for human or animal use of any kind. By purchasing, the buyer confirms they are a qualified researcher or institution and accepts full responsibility for safe handling and use.
All orders are shipped via FedEx with temperature-appropriate packaging to protect compound integrity during transit. Packaging is discreet — plain FedEx or UPS with no product branding on the exterior. Orders placed before 2 PM EST ship same business day.
Due to the nature of research chemicals, all sales are final once a vial has been opened or the seal broken. If you receive a damaged or incorrect item, contact support@peptidesverse.com within 48 hours of delivery with your order number and photos.