A natural neuropeptide involved in sleep regulation. Your brain produces DSIP to help initiate and maintain sleep cycles.
What is this used for?
What dose is typical for your goal?
- Typical dose
- 100–300 mcg
- How it's taken
- Injection under the skin
- How often
- Once a day, 30 minutes before bed
- Most common starting point
- 100 mcg before bed
Based on published studies and what providers typically prescribe.
These are typical doses from research and real prescriptions — not a recommendation for you specifically. Your provider will adjust based on your body, your goals, and your health history.
Want your exact dose? A provider will personalize this for you.
Find a ProviderHow do you take it?
These are typical doses from research and real prescriptions — not a recommendation for you specifically. Your provider will adjust based on your body, your goals, and your health history.
What to expect
1 / 4Night 1-3
Many users report easier sleep onset within the first few uses.
Week 1-2
More consistent deep sleep, fewer nighttime awakenings.
Week 3-4
Full sleep quality effects. Many users report feeling more rested in the morning.
Week 4+
Often used intermittently rather than every night to avoid tolerance.
Individual experiences vary. Results depend on your body, goals, and protocol adherence.
Can this be combined with other peptides?
How well researched is this?
Very Early Research Status
Early published studies dating back to the 1970s. Very limited modern clinical data exists.
Legal status
Currently restricted by the FDA and cannot be legally compounded. This status may change — we'll update this page when it does.
2026 reclassification status updates coming soon.
Purity
Purity measures how clean and accurate the compound is. Higher purity means fewer contaminants and more reliable dosing.
HPLC Purity Tested
Always require a Certificate of Analysis (CoA) from a US-based compounding pharmacy.
Common questions
Ready to start?
Consult with a licensed provider to determine the right protocol for your goals.