DSIP

Delta Sleep-Inducing Peptide | Neuroregulatory & Sleep Research Compound

■ For Research Use Only. Not for human or veterinary use. Not a drug, supplement, or food additive.

Intended exclusively for in-vitro and laboratory research by qualified investigators.

DSIP – 5mg / 10mg – A Neuroregulatory Peptide for Sleep Modulation and Circadian Rhythm Research

Category: Peptide Research Compounds / Neuroscience Research / Sleep & Neuroendocrine Biology

Disclaimer:

ATTENTION: PRIMALRESEARCHLABS.COM PRODUCTS ARE INTENDED FOR LABORATORY RESEARCH AND IN-VITRO STUDIES ONLY.

All information presented on this site is for educational and research purposes related to scientific investigation.

These products are strictly not for human or veterinary use, consumption, or diagnostic applications.

They are not pharmaceuticals, food additives, or dietary supplements.

By purchasing from PrimalResearchLabs.com, you acknowledge and affirm that you are a qualified researcher operating in a controlled laboratory environment.

You must adhere to all applicable local, state, and federal laws and regulations regarding the handling and use of research chemicals.

Handle all materials with appropriate personal protective equipment (PPE) and under laboratory safety protocols.

Biology

Delta sleep-inducing peptide (DSIP) is a naturally occurring nonapeptide originally isolated for its association with sleep regulation and delta wave activity in the brain.

It has been extensively studied in preclinical and early clinical research models for its involvement in circadian rhythm modulation, stress response, and neuroendocrine signaling.

DSIP is of particular interest in neuroscience research due to its reported ability to influence sleep architecture, modulate hypothalamic-pituitary-adrenal (HPA) axis activity, and interact with neurotransmitter systems involved in stress and recovery.

Its regulatory effects on neuroendocrine balance make it a valuable tool for in-vitro and in-vivo experimental design across sleep research, circadian biology, and CNS signaling pathways.

This product is intended solely for in-vitro and preclinical research use and is not for human or veterinary consumption.

Key Research Applications of DSIP

Sleep Regulation & Circadian Rhythm Research

DSIP has demonstrated significant activity in sleep-related studies through:

Delta Wave Modulation — Associated with enhancement of slow-wave sleep activity in experimental models.

Circadian Rhythm Influence — Participates in regulation of sleep-wake cycles and biological timing.

Sleep Architecture Studies — Used in research examining REM and non-REM sleep patterns.

Supporting Studies:

Graf, M.V. et al. — Neuroscience & Biobehavioral Reviews.

“Delta sleep-inducing peptide influences sleep regulation and circadian rhythms.” ■ PubMed – PMID: 6395757

Stress Response & HPA Axis Regulation Research

DSIP has been investigated in stress-related studies through:

Cortisol Modulation — Influences stress hormone regulation in experimental models.

HPA Axis Interaction — Modulates hypothalamic-pituitary-adrenal axis activity.

Adaptation to Stress — Supports resilience to physiological and environmental stressors.

Supporting Studies:

Monnier, M. et al. — Experientia.

“DSIP demonstrates regulatory effects on stress response and endocrine function.” ■ PubMed – PMID: 6608829

Neuroendocrine & Neurotransmitter Research

DSIP has been explored in CNS signaling studies through:

Neurotransmitter Interaction — Influences GABAergic and other neurotransmitter systems.

• Endocrine Regulation — Participates in hormonal signaling pathways linked to sleep and recovery.

CNS Integration — Supports research into neuroendocrine communication mechanisms.

Supporting Studies:

Kastin, A.J. et al. — Pharmacology Biochemistry and Behavior.

“DSIP interacts with central nervous system pathways involved in sleep and neuroendocrine regulation.”

■ PubMed – PMID: 6137374

Recommended Research Concentrations

Note: For laboratory research reference only. Not for human or veterinary use.

Research Model
Suggested Concentration
Administration

In-vitro neuronal assays
1–100 nM
Cell culture media

Sleep pathway studies
1–50 µM
Cell culture media

Animal models (rodents, SC/IP)
0.1–1 mg/kg
Injection

Why Choose Primal Research for Your DSIP Research?

≥98% HPLC-verified purity — critical for neuroendocrine and sleep pathway studies

Independent third-party batch testing with COA available on request

Lyophilized powder for maximum stability and long-term storage

Available in 5mg and 10mg quantities — supports both targeted and extended research protocols

Storage & Handling

Store at -20°C, desiccated and protected from light

Soluble in sterile water or bacteriostatic water

Prepare fresh solutions prior to each experiment

Avoid repeated freeze-thaw cycles

Technical Specifications

Compound: DSIP (Delta Sleep-Inducing Peptide)

Molecular Weight: ~849 g/mol

Purity: ≥98% (HPLC Verified)

Form: Lyophilized powder — available in 5mg and 10mg

Storage: -20°C, desiccated, light-protected

Solubility: Soluble in sterile water or bacteriostatic water

COA: Available per batch on request

Advance Your Sleep & Neuroendocrine Research

Order your DSIP today to support advanced research in sleep regulation, circadian biology, and neuroendocrine signaling.

Primal Research products are sold strictly for in-vitro and laboratory research use only. Not for human or veterinary consumption. Not intended to diagnose, treat, cure, or prevent any disease or condition. Purchasers are responsible for compliance with all applicable local, state, and federal regulations.