Calcitonin vs DSIP
Overview
Calcitonin is primarily a bone & joint peptide, while DSIP is used for sleep & recovery.
This page compares Calcitonin and DSIP 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
| Calcitonin | DSIP | |
|---|---|---|
| Category | Bone & Joint | Sleep & Recovery |
| Regulatory status (US) | FDA approved | Compounding (Rx) — Apr 2026 |
| Typical dosage | 100-200 IU | 100-300 mcg |
| Frequency | daily | before bed |
| Reported benefits | Reduced bone loss, pain relief in bone diseases | Improved deep sleep, stress reduction, recovery enhancement, pain reduction |
| Reported side effects | Nasal irritation (spray form), nausea | Very well-tolerated, possible grogginess |
Key differences
Primary use. Calcitonin is categorised under Bone & Joint, while DSIP falls under Sleep & Recovery. Their differing categories mean they are usually chosen for different goals rather than as direct substitutes.
Regulatory status. Calcitonin: FDA-approved. DSIP: not FDA-approved; compounding permitted with a prescription as of April 2026.
Dosing. Calcitonin is typically dosed at 100-200 IU (daily). DSIP is typically dosed at 100-300 mcg (before bed).
Can you stack them?
Some protocols combine peptides, but stacking Calcitonin and DSIP 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 Calcitonin and DSIP?
- Calcitonin is primarily a bone & joint peptide, while DSIP is used for sleep & recovery. Calcitonin is FDA-approved for one or more indications, whereas DSIP is not FDA-approved; compounding permitted with a prescription (as of April 2026).
- What is Calcitonin used for?
- FDA-approved bone resorption inhibitor.
- What is DSIP used for?
- Delta sleep-inducing peptide.
- Can you take Calcitonin and DSIP together?
- Some users combine peptides within a single protocol, but stacking Calcitonin and DSIP 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 Calcitonin or DSIP FDA-approved?
- Calcitonin is FDA-approved for one or more indications. DSIP is not FDA-approved; compounding permitted with a prescription (as of April 2026).
Read the full articles
- Calcitonin — full monograph: mechanism, research, dosing & references
- DSIP — full monograph: mechanism, research, dosing & references