DSIP vs Melanotan II
Overview
DSIP is primarily a sleep & recovery peptide, while Melanotan II is used for cosmetic & skin.
This page compares DSIP and Melanotan II across their primary use, typical dosing, reported benefits and side effects, and U.S. regulatory status. For the full monograph on either compound — mechanism of action, clinical research, and references — follow the article links.
Side-by-side comparison
| DSIP | Melanotan II | |
|---|---|---|
| Category | Sleep & Recovery | Cosmetic & Skin |
| Regulatory status (US) | Not approved — Cat. 2 removed (Apr 2026) | Not approved — Cat. 2 removed (Apr 2026) |
| Typical dosage | 100-300 mcg | — |
| Frequency | before bed | — |
| Reported benefits | Improved deep sleep, stress reduction, recovery enhancement, pain reduction | Skin tanning without UV exposure, increased libido, potential appetite suppression |
| Reported side effects | Very well-tolerated, possible grogginess | Nausea, facial flushing, darkening of moles, potential cardiovascular effects |
Key differences
Primary use. DSIP is categorised under Sleep & Recovery, while Melanotan II falls under Cosmetic & Skin. Their differing categories mean they are usually chosen for different goals rather than as direct substitutes.
Regulatory status. DSIP: not FDA-approved; removed from FDA's Category 2 in April 2026, which is not permission to compound it. Melanotan II: not FDA-approved; removed from FDA's Category 2 in April 2026, which is not permission to compound it.
Dosing. DSIP is typically dosed at 100-300 mcg (before bed). Typical dosing for Melanotan II is not catalogued.
Can you stack them?
Some protocols combine peptides, but stacking DSIP and Melanotan II has not been validated for safety or efficacy in controlled trials. Combining compounds can change their effects and risks. Nothing here is medical advice — consult a qualified healthcare provider before starting or combining any protocol.
Frequently asked questions
- What is the difference between DSIP and Melanotan II?
- DSIP is primarily a sleep & recovery peptide, while Melanotan II is used for cosmetic & skin. DSIP is not FDA-approved; removed from FDA's Category 2 in April 2026, which is not permission to compound it, whereas Melanotan II is not FDA-approved; removed from FDA's Category 2 in April 2026, which is not permission to compound it.
- What is DSIP used for?
- Delta sleep-inducing peptide.
- What is Melanotan II used for?
- Tanning, libido.
- Can you take DSIP and Melanotan II together?
- Some users combine peptides within a single protocol, but stacking DSIP and Melanotan II has not been established as safe or effective in controlled trials. Neither this comparison nor PeptideSciences101 is medical advice — consult a qualified healthcare provider before combining any compounds.
- Is DSIP or Melanotan II FDA-approved?
- DSIP is not FDA-approved; removed from FDA's Category 2 in April 2026, which is not permission to compound it. Melanotan II is not FDA-approved; removed from FDA's Category 2 in April 2026, which is not permission to compound it.
Read the full articles
- DSIP — full monograph: mechanism, research, dosing & references
- Melanotan II — full monograph: mechanism, research, dosing & references