DSIP Spray
$69.99
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What is DSIP Spray?
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring nonapeptide first identified for its role in regulating slow-wave (delta) sleep. The spray formulation is designed for in vitro research applications studying circadian rhythm mechanisms, neuropeptide receptor activity, and sleep regulation.
DSIP has been studied for its potential influence on sleep efficiency, neuroprotection, circadian rhythm alignment, and hormonal regulation. Laboratory investigations also suggest roles in pain management, stress response pathways, and recovery from neurological injuries. DSIP Spray provided by Limitless Biotech is produced under pharmaceutical-grade GMP standards, with ≥98.5% purity verified through third-party testing.
Chemical Structure of DSIP Spray
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Sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
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Molecular Formula: C35H48N10O15
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Molecular Weight: 848.8 g/mol
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CAS Number: 62568-57-4
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PubChem CID: 68816
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Synonyms: Emideltide, Delta Sleep-Inducing Peptide, DSIP
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Appearance: White lyophilized powder in 5mL amber glass bottle with spray pump
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Purity: ≥98.5% (HPLC)
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Storage: Store at -20°C, tightly sealed, away from light, heat, and moisture
What Are the Effects of DSIP Spray?
Research findings suggest DSIP may influence multiple biological systems, including:
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Sleep Regulation & Circadian Rhythms
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Enhances slow-wave (delta) sleep and REM sleep in experimental models.
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Modulates circadian activity of neurotransmitters, cortisol, and plasma proteins.
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Investigated for correcting phase-shifted insomnia and circadian misalignment.
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Neuroprotection & Stroke Recovery
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Demonstrates neuroprotective activity in animal stroke models, supporting motor recovery.
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Reduces seizure intensity and delays onset in experimental epilepsy models.
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Protects neurons during ischemia-reperfusion injury via excitatory/inhibitory balance regulation.
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Hormonal & Endocrine Regulation
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Linked to growth hormone release during sleep cycles.
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Modulates stress-related endocrine activity and cortisol rhythms.
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Engages opioid-peptidergic pathways, with relevance to pain modulation and addiction research.
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Pain & Stress Pathways
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Reduces behavioral and physiological responses in chronic pain models.
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Shows promise in laboratory studies for managing stress-related withdrawal symptoms.
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⚠️ Note: DSIP Spray is intended strictly for controlled laboratory research use. It is not a dietary supplement or approved for therapeutic applications.
DSIP Spray
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Ironpeptides
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I decided to try something new with…
I decided to try something new with Iron Peptides, and it has already been very beneficial. Since starting, I’ve noticed many positive effects. I feel motivated to continue, and I’m confident I’ve found the right company to trust on my personal journey—Iron Peptides.
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Fist time trying peptides to see what…
Fist time trying peptides to see what all the hype was about. And. I AM HOOKED! Have never felt. Better. 5 months after my neck surgery and I feel amazing. Recovery was easy and I have all my strength back!!
I decided to try something new with…
I decided to try something new with Iron Peptides, and it has already been very beneficial. Since starting, I’ve noticed many positive effects. I feel motivated to continue, and I’m confident I’ve found the right company to trust on my personal journey—Iron Peptides.
The products
The products, services and information is exceptional

Fist time trying peptides to see what…
Fist time trying peptides to see what all the hype was about. And. I AM HOOKED! Have never felt. Better. 5 months after my neck surgery and I feel amazing. Recovery was easy and I have all my strength back!!
