DSIP
$34.20 – $54.40Price range: $34.20 through $54.40

Become a Member and save 20% on Every Order.
Description
DSIP (Delta Sleep-Inducing Peptide)
DSIP (Delta Sleep-Inducing Peptide) – 5mg (Lyophilized Powder) – For Research Use Only
DSIP is a naturally occurring neuropeptide studied for its potential role in sleep regulation, stress response, and neuroendocrine function. Originally isolated from the brain, DSIP is of particular interest in research on sleep patterns, circadian rhythm modulation, and stress adaptation mechanisms.
Studies have also explored its potential influence on hormone release, oxidative stress, and neuroprotection.
Product Details:
-
Peptide: DSIP (Delta Sleep-Inducing Peptide)
-
Purity: >98%
-
Form: Lyophilized powder
-
Quantity: 5mg per vial
-
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
-
Grade: For research purposes only. Not for human consumption, therapeutic, or diagnostic use.
Potential Research Applications:
-
Sleep regulation and circadian rhythm studies
-
Stress adaptation and cortisol modulation research
-
Neuroprotection and oxidative stress models
-
Endocrine system and hormone balance investigations
For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
THIS IS NOT FOR HUMAN CONSUMPTION. SOLD FOR RESEARCH ONLY!
Dsip peptide Details
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide composed of eight amino acids (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu), originally isolated from mammalian brain tissue. It is recognized for its role in modulating sleep architecture, neuroendocrine balance, and stress-responsive biochemical signaling in laboratory models.
DSIP is widely studied in peptide neurobiology due to its ability to influence hypothalamic function, monoaminergic pathways, and circadian rhythm regulation. Preclinical research suggests it interacts with GABAergic and HPA-axis-linked signaling, making it a central tool for investigations related to sleep disorders, stress management, and neuropeptide modulation under defined experimental conditions.
About Dsip peptide
- Peptide Name: Delta Sleep-Inducing Peptide (DSIP)
- Sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
- Purity: ≥98% (HPLC-verified)
- Molecular Weight: ~848 Da
- Primary Focus Areas: Sleep modulation, stress-response, HPA axis, mitochondrial signaling
- Format: Lyophilized powder, 15mg vial
- For Research Use Only: Not for human or veterinary use
5 reviews for DSIP
Dsip peptide Scientific Research
1. Neuroendocrine Signaling & Hypothalamic Regulation
DSIP is used in experimental systems to explore regulation of hypothalamic–pituitary signaling. Preclinical studies have observed its modulatory effects on corticotropin and somatostatin secretion, suggesting its role in neuropeptide feedback loops relevant to stress adaptation and hormonal rhythms.
2. Sleep and Circadian Rhythm Studies
DSIP has been employed in rodent models and neuronal cell lines to investigate sleep-promoting activity, phase-shifting properties, and oscillatory peptide expression. It serves as a model compound in sleep-related signal transduction and circadian biochemistry workflows.
3. GABAergic and Monoaminergic Pathway Analysis
Research indicates DSIP may influence GABAergic tone and monoamine oxidase (MAO-A) activity, potentially impacting serotonin and dopamine metabolism. These actions are relevant in research studying emotional regulation, anxiety response, and central neurotransmitter turnover.
4. Stress Adaptation and HPA Axis Dynamics
DSIP is investigated in stress models for its regulatory influence on hypothalamic–pituitary–adrenal (HPA) signaling. It may downregulate ACTH release and affect cortisol dynamics, contributing to studies on neuroendocrine recovery and homeostasis under chronic or acute stress.
5. Mitochondrial Bioenergetics
In cellular bioenergetics research, DSIP is used to assess its impact on mitochondrial respiration, ATP production, and oxidative phosphorylation, particularly under stress or hypoxic conditions in neural tissues.
Dsip peptide FAQ
Q: What is DSIP used for in research?
A: DSIP is utilized in research involving sleep regulation, circadian rhythm control, neuroendocrine signaling, stress adaptation, and mitochondrial bioenergetics.
Q: Is DSIP a synthetic or natural peptide?
A: It is a naturally occurring peptide originally identified in the CNS, but supplied in synthetic form for research applications.
Q: Does DSIP affect neurotransmitter activity?
A: Yes, it has been shown to influence GABA and monoamine metabolism in experimental systems, particularly affecting enzymes like MAO-A.
Q: Can DSIP be used in human sleep studies?
A: No. DSIP is for laboratory research use only and is not approved for human or clinical use.
Q: What are common model systems for DSIP research?
A: DSIP is typically used in rodent models, neuronal and glial cell cultures, and molecular signaling assays.
Storage & Handling
All peptides are supplied as sterile, lyophilized powder and are stable when handled correctly.
- On arrival: Store vials in a cool, dry place away from heat and direct sunlight.
- Long-term (powder): For optimal longevity, keep lyophilized peptides refrigerated to help maintain integrity.
- After reconstitution: Use an appropriate research diluent (for example, BAC water). Store the reconstituted solution in the refrigerator and use within 20–30 days for best stability.
Note: Minimize exposure to moisture and repeated freeze–thaw cycles. Follow your institution's safety procedures when handling research materials.
Peak Lab Peptides maintains quality-control processes and routinely performs third-party testing to support purity and identity verification. COAs are available upon request for applicable batches. Documentation may vary depending on production timelines.
We aim to make batch-level documentation available whenever possible. Our goal is to expand COA access across the full catalog as production capacity grows.
All products are for laboratory research use only and are not intended for human consumption.
Related Products
5-amino-1mq
5-Amino-1MQ peptide (5-amino-1-methylquinolinium)
5-Amino-1MQ peptide– Research Use Only
5-Amino-1MQ peptide – 5mg (Lyophilized Powder) – For Research Use Only
5-Amino-1MQ peptide is a small molecule methyltransferase inhibitor studied for its potential impact on cellular metabolism, energy regulation, and fat loss pathways. Research suggests it may inhibit NNMT (Nicotinamide N-Methyltransferase), an enzyme linked to metabolic rate and fat cell energy regulation.
Studies have explored 5-Amino-1MQ peptide for its potential role in increasing NAD+ levels, enhancing energy expenditure, and promoting fat metabolism in various models.
Product Details:
-
Compound: 5-Amino-1MQ (5-Amino-1-Methylquinolinium)
-
Purity: >98%
-
Form: Lyophilized powder
-
Quantity: 50mg per vial
-
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
-
Grade: For research use only. Not for human consumption or therapeutic use.
Potential Research Applications:
-
Studies on NNMT inhibition and metabolic regulation
-
NAD+ production and energy pathway research
-
Fat metabolism and weight loss models
-
Investigations into cellular energy expenditure
Ara-290 (10mg)
ARA-290 (Cibinetide)
ARA-290 – 10mg (Lyophilized Peptide) – For Research Use Only
ARA-290 is a synthetic peptide derived from erythropoietin (EPO) that is specifically engineered to retain tissue-protective properties without stimulating erythropoiesis. It is widely studied for its potential in anti-inflammatory, neuroprotective, and tissue repair research.
ARA-290 interacts with the innate repair receptor (IRR), making it a promising candidate in research related to chronic inflammation, neuropathic pain, and autoimmune conditions.
Product Details:
-
Peptide: ARA-290
-
Purity: >98%
-
Form: Lyophilized powder
-
Quantity: 10mg per vial
-
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
-
Grade: Research use only. Not for human consumption or therapeutic use.
Potential Research Applications:
-
Anti-inflammatory pathway studies
-
Neuropathic pain models
-
Tissue protection and repair research
-
Innate repair receptor (IRR) exploration
BPC-157 + TB-500 – “Wolverine Stack” 10-Vial Kit
BPC-157 and TB-500 10 vial kit
BPC-157 + TB-500 – 10mg (Lyophilized Peptide Blend) 10 vial kit– For Research Use Only
This advanced research peptide blend combines BPC-157 10 vial kit and TB-500 10 vial kit (Thymosin Beta-4 Fragment) — two well-studied peptides known for their potential in tissue repair, inflammation control, and accelerated recovery.
-
BPC-157 10 vial kit is a synthetic peptide derived from a gastric protein, studied for its possible role in gut health, tendon and ligament repair, and inflammation modulation.
-
TB-500 10 vial kit is a synthetic fragment of Thymosin Beta-4, researched for its potential to promote cell migration, angiogenesis, and muscle recovery.
Together, this combination is highly sought after in research models involving injury recovery, soft tissue repair, and anti-inflammatory studies.
Product Details:
-
Peptides: BPC-157 10 vial kit + TB-500 10 vial kit (5mg each unless otherwise specified)
-
Purity: >98%
-
Form: Lyophilized powder
-
Quantity: 10mg per vial
-
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
-
Grade: For research purposes only. Not for human consumption, therapeutic, or diagnostic use.
Potential Research Applications:
-
Injury recovery and soft tissue repair studies
-
Tendon, ligament, and muscle healing models
-
Anti-inflammatory and immune modulation research
-
Angiogenesis and cellular regeneration investigations
For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
CJC-1295 No DAC + Ipamorelin – 10-Vial Kit
CJC-1295 No DAC + Ipamorelin 10 vial kit
Product Details:
Peptides: CJC-1295 No DAC + Ipamorelin 10 vial kit Purity: >98% Form: Lyophilized powder Quantity: 10mg total per vial (typically 5mg of each peptide unless otherwise specified) Storage: Store lyophilized powder at -20°C. Once reconstituted, refrigerate (2–8°C) and use within 30 days. Research Grade: For laboratory research purposes only. Not for human use, therapeutic, or diagnostic applications. Research Applications May Include: Synergistic stimulation of natural GH release Studies on recovery, lean mass, and anti-aging Exploration of GH/GHRH/GHRP axis functionalityCJC-1295 with DAC
CJC-1295 with DAC
CJC-1295 with DAC – 5mg (Lyophilized Peptide) – For Research Use Only
CJC-1295 with DAC (Drug Affinity Complex) is a long-acting analog of Growth Hormone-Releasing Hormone (GHRH), designed to promote sustained release of growth hormone (GH) in research models. The DAC modification significantly extends its half-life, allowing for prolonged activity and making it ideal for studies on muscle growth, recovery, anti-aging, and fat metabolism.
CJC-1295 with DAC is often paired in research with peptides like Ipamorelin for synergistic GH axis stimulation.
Product Details:
-
Peptide: CJC-1295 with DAC
-
Purity: >98%
-
Form: Lyophilized powder
-
Quantity: 5mg per vial
-
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
-
Grade: For research purposes only. Not for human consumption, therapeutic, or diagnostic use.
Potential Research Applications:
-
Sustained growth hormone release studies
-
Muscle growth, recovery, and anti-aging research models
-
Fat metabolism and body composition investigations
-
Long-acting GHRH analog research
For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
GHK-Cu 10-Vial Kit
Ipamorelin 10-Vial Kit
Ipamorelin 10 Vial Kit
Ipamorelin – 5mg or 10mg (Lyophilized Peptide) 10 Vial Kit – For Research Use Only
Ipamorelin is a selective Growth Hormone Secretagogue (GHS) studied for its ability to stimulate endogenous growth hormone release through ghrelin receptor activation, without significantly affecting cortisol or prolactin levels in research models. Research has explored its activity in GH axis signaling, pituitary function, and endocrine pathway regulation in controlled laboratory environments. Ipamorelin is often examined alongside other GH-releasing peptides such as CJC-1295 No DAC in studies investigating synergistic effects on growth hormone pathway dynamics.
Product Details:
- Peptide: Ipamorelin
- Purity: >99%
- Form: Lyophilized powder
- Quantity: 5mg or 10mg per vial / 10 vials per kit
- Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
- Grade: For research purposes only. Not for human consumption, therapeutic, or diagnostic use.
Potential Research Applications:
- Growth hormone secretion and GHS-R receptor activation studies
- GH axis signaling and pituitary function research
- Endocrine pathway regulation and GH secretagogue mechanism models
- Multi-peptide GH axis synergy investigations
For laboratory research only. This product is not intended to diagnose, treat, cure, or prevent any disease.
MOTS-c 10-Vial Kit
MOTS-c 10 vial kit
MOTS-c – 10mg or 40mg (Lyophilized Peptide) 10 vial kit – For Research Use Only
MOTS-c 10 vial kit is a mitochondrial-derived peptide (MDP) encoded by the mitochondrial genome, widely studied for its potential role in metabolic regulation, energy homeostasis, and cellular protection. Research has focused on its ability to influence glucose metabolism, insulin sensitivity, and mitochondrial function, making it a key subject in studies on metabolic health and aging.
MOTS-c 10 vial kit is of special interest in research exploring exercise mimetic effects, fat metabolism, and metabolic syndrome models.
Product Details:
-
Peptide: MOTS-c 10 vial kit (Mitochondrial Open Reading Frame of the 12S rRNA-c)
-
Purity: >99%
-
Form: Lyophilized powder
-
Quantity: 10mg or 40mg per vial
-
Storage: Store at -4°F (-20°C). After reconstitution, refrigerate at 36–46°F (2–8°C) and use within 30 days.
-
Grade: For research purposes only. Not for human consumption or therapeutic applications.
Potential Research Applications:
-
Glucose metabolism and insulin sensitivity studies
-
Mitochondrial function and energy regulation research
-
Aging, longevity, and metabolic health models
-
Exercise mimetic and fat metabolism investigations
For laboratory research use only. This product is not intended to diagnose, treat, cure, or prevent any disease.
Peptide Storage Case (3ml x 10) — Hard Shell Mid-Size Organizer
A versatile mid-size case for researchers who need more capacity without the bulk.
This hard shell peptide storage case is designed to securely hold up to 10 standard 3ml vials, with a precision-fit interior that keeps each vial stable and separated. Sized between our compact and full-size cases, this version is ideal for expanded setups that still need to stay portable and organized.
Key Features:
- Custom-fit layout: Holds 10 × 3ml vials
- Hard shell exterior: Durable, impact-resistant protection
- Secure closure: Keeps contents safely contained
- Precision interior insert: Reduces movement and vibration
- Mid-size & portable: Balanced capacity for daily use or travel
Designed for clean organization and reliable protection in any research environment.
Important:
- For research use only. Not for human consumption.
- Vials not included
Peptide Storage Case (3ml x 5 + Multi-Compartment) — Hard Shell Complete Organizer
An all-in-one solution for organizing your full research workflow.
This hard shell peptide storage case is designed to securely hold up to 5 standard 3ml vials, with additional dedicated compartments for other essential research materials. The precision-fit interior keeps every component stable and separated, so your full setup stays organized in a single case.
Built with a lightweight, impact-resistant shell and secure snap latches, this case is freezer and refrigerator safe — making it a reliable option for both at-home storage and on-the-go use.
Key Features:
- Custom-fit layout: Holds 5 × 3ml vials plus dedicated storage for essential research supplies
- Hard shell exterior: Durable, impact-resistant protection
- Secure snap latches: Keeps contents safely contained
- Precision interior compartments: Minimize movement and vibration
- Freezer & refrigerator safe: Maintains integrity in cold storage
- Compact dimensions: 6.75"W × 4"D × 2.25"H
- Travel-friendly: Lightweight and easy to transport
The most complete option in our storage lineup, built for researchers who want everything organized in one place.
Important:
- For research use only. Not for human consumption.
- Vials and supplies not included


Carol –
Very satisfied with the product quality, secure packaging, and smooth ordering process from start to finish.
Michelle –
Everything arrived safely, well-labeled, and exactly as described on the website.
Donna –
Fast shipping, accurate tracking, and professional packaging made the experience excellent.
Kimberly –
The website is easy to navigate, checkout is simple, and communication is always clear.
Emily –
Consistent quality across multiple orders has earned my full trust in this store.