COA Pending
Certificate of Analysis will be available soon
DSIP
Delta Sleep-Inducing Peptide — researched for deep sleep, stress reduction, and cortisol modulation.
COA Pending
Certificate of Analysis will be available soon
Albert's Verdict
Delta Sleep-Inducing Peptide works on the hypothalamic level, not the receptor level — which is why the research on sleep architecture improvement looks fundamentally different from conventional sedative mechanisms. Fascinating neuropeptide.
✓ In stock - Ships same day
Arrives as lyophilized (powder) form
Shipped freeze-dried for maximum stability and shelf life. See laboratory preparation guide for handling instructions.
Product Description
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide first isolated in 1974 from brain tissue. It is best known for promoting slow-wave (deep) sleep, but research has also documented broader neuromodulatory effects including stress reduction, cortisol modulation, mood stabilization, and endocrine regulation.
DSIP is a popular research peptide for investigating sleep architecture, HPA-axis balance, and stress-related sleep disruption — without the sedative side-effect profile of traditional sleep drugs. For research use only. Not for human or veterinary consumption.
Customer Reviews
Verified research purchases
High quality product
The purity is exactly what they claim. I verified the COA on the lab's website and it checked out. Fast shipping too.
Consistent quality every time
I've ordered multiple times and the quality is always the same. That consistency is important to me. Great supplier.
Excellent product
Clean product, proper packaging, fast delivery. Everything you want from a supplier. Will definitely order again.
Professional from start to finish
From order to delivery, everything was handled professionally. The product arrived properly packaged with all documentation included.
Trusted source
Quality is non-negotiable for me and BioInfinity delivers. The verifiable COA and third-party testing give me confidence.
Verifiable testing
The independent lab verification from Verum Analytics is a big plus. I verified the COA myself and it checked out. That transparency matters.
Top quality product
The purity is real - you can verify it yourself. Very few suppliers offer this level of transparency and quality.
Exactly as described
The product matched all the specs on the COA. Arrived quickly and in perfect condition. Will definitely order again.
Frequently Researched Together
Commonly studied alongside in laboratory settings
Learn More About This Peptide
Research Use Only: This product is intended for laboratory research purposes only. Not for human consumption.
DSIP — clinical & mechanistic profile
DSIP is a naturally occurring nonapeptide discovered in 1974 that promotes delta wave sleep, reduces stress, and modulates multiple neurotransmitter systems including GABA and endogenous opioids.
Research status
preclinical
Sequence
Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
Molecular weight
848.8 g/mol
Molecular formula
C35H48N10O15
Studied applications
- •Promotes delta wave (deep) sleep without sedation
- •Reduces sleep latency and nocturnal awakenings
- •Modulates cortisol and stress response
- •No tolerance or dependence reported
Mechanisms of action
- •GABA system enhancement
- •NMDA receptor interaction
- •Endogenous opioid system modulation
- •Hypothalamic-pituitary-adrenal axis regulation
- •Limited human clinical data
- •Very short half-life (~8 minutes)
- •Limited stability - degrades quickly
- •Research primarily from Soviet-era studies
Peer-reviewed references
- Graf et al. — DSIP pharmacokinetics and sleep studies
- Schneider-Helmert & Schoenenberger — DSIP clinical trials in insomnia (1983)
- Kovalzon & Strekalova — DSIP as sleep-promoting peptide: 50 years of research (2024)
For research use only. This summary is a research-scientific overview compiled from peer-reviewed sources. It is not medical advice and is not intended for human or veterinary consumption.