DSIP (Delta Sleep-Inducing Peptide) vs Melatonin
Independent, side-by-side comparison of DSIP (Delta Sleep-Inducing Peptide) and Melatonin: mechanism, half-life, dose range, safety profile, and live vendor pricing. Updated continuously as new research and listings land.
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DSIP (Delta Sleep-Inducing Peptide)
Melatonin
DSIP (Delta Sleep-Inducing Peptide)
Delta sleep-inducing peptide (DSIP) is a nonapeptide — a 9-amino-acid neuropeptide with sequence Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE, 848 Da molecular weight) — first isolated in 1977 from the cerebral venous…
Live lowest price: $29.00 across 8 vendors
Full DSIP (Delta Sleep-Inducing Peptide) profileMelatonin
Melatonin (chemical name N-acetyl-5-methoxytryptamine) is an endogenous neurohormone synthesized primarily by the pineal gland and, in smaller quantities, by the retina, gut, skin, bone marrow, lymphocytes, and…
Full Melatonin profileSide-by-side comparison
| Attribute | DSIP (Delta Sleep-Inducing Peptide) | Melatonin |
|---|---|---|
| Category | Cognition, Mood & Neuroprotection | Sleep & Circadian |
| Research Stage | Phase II | Preclinical |
| Mechanism of Action | Primary Mechanism: Uncharacterized Direct Receptor Binding After more than four decades of research, DSIP's primary molecular target remains unknown. No specific receptor has been cloned, characterized, or reproducibly identified as the primary binding site… | Melatonin operates through at least four distinct mechanistic pathways that together account for its diverse physiological effects: (1) MT1/MT2 receptor activation for circadian and sleep effects; (2) nuclear receptor (ROR/RZR) modulation for anti-inflammatory… |
| Half-Life | ~7–8 minutes IV (short, but sleep-promoting effects last hours) | — |
| Typical Dose Range | 100–300 mcg per injection | — |
| Dosing Frequency | Once daily, 30–60 minutes before bedtime | — |
| Administration | Subcutaneous, Intramuscular, Intranasal | — |
| Side Effects | Overall Safety Profile DSIP has one of the cleanest safety profiles of any peptide in the research chemical space. In 40+ years of research and clinical use, no serious adverse events have been reported in controlled trials or large case series. The compound… | Melatonin has an exceptionally wide safety margin and has been used in clinical doses up to 300mg/day in oncology protocols without serious acute toxicity. However, side effects are common at supraphysiological doses (3mg and above) and are often misattributed… |
| Molecular Weight | 848.8 Da | — |
| Common Vial Sizes | 2mg, 5mg | — |
Price History
6 data points- Unknown
- Nova Peptides
- VANDL Labs
- Adera
- LB
- Ion Peptide
DSIP (Delta Sleep-Inducing Peptide) — potential benefits
- Sleep induction
- Stress reduction
- Cortisol modulation
- Opioid tolerance reduction
- Circadian regulation
Melatonin — potential benefits
- No structured benefit list published.
Frequently asked
What's the difference between DSIP (Delta Sleep-Inducing Peptide) and Melatonin?
DSIP (Delta Sleep-Inducing Peptide) is a cognition, mood & neuroprotection that primary mechanism: uncharacterized direct receptor binding after more than four decades of research, dsip's primary molecular target remains unknown. no specific receptor has been…. Melatonin is a sleep & circadian that melatonin operates through at least four distinct mechanistic pathways that together account for its diverse physiological effects: (1) mt1/mt2 receptor activation for circadian…. The two differ in mechanism, half-life (~7–8 minutes IV (short, but sleep-promoting effects last hours) vs not reported), and typical dose range.
Which has the longer half-life, DSIP (Delta Sleep-Inducing Peptide) or Melatonin?
DSIP (Delta Sleep-Inducing Peptide) has a half-life of ~7–8 minutes IV (short, but sleep-promoting effects last hours). Melatonin has a half-life of not reported. Longer half-lives generally mean less frequent dosing but slower on/off kinetics.
Can you stack DSIP (Delta Sleep-Inducing Peptide) and Melatonin?
Stacking depends on mechanism overlap, safety profile, and goals. DSIP (Delta Sleep-Inducing Peptide) and Melatonin should only be stacked after reviewing each compound's individual protocol page, side effect profile, and any published interaction data. Use the BodyHackGuide stack builder for a structured review before combining research compounds.
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Research use only. BodyHackGuide is an independent research reference. The compounds discussed on this page are not approved by the FDA for human consumption and are sold strictly for laboratory research. Prices shown are pulled from vendor listings tracked on BHG and are subject to change. We earn an affiliate commission on some outbound clicks — this never affects the data or pricing shown. See editorial standards and affiliate disclosure.