Calcitonin vs Teriparatide
Overview
Calcitonin and Teriparatide are both bone & joint peptides, but they differ in mechanism, dosing, and regulatory status.
This page compares Calcitonin and Teriparatide 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 | Teriparatide | |
|---|---|---|
| Category | Bone & Joint | Bone & Joint |
| Regulatory status (US) | Research use only | Research use only |
| Typical dosage | 100-200 IU | 20 mcg |
| Frequency | daily | daily |
| Reported benefits | Reduced bone loss, pain relief in bone diseases | Bone density increase, osteoporosis treatment, fracture prevention |
| Reported side effects | Nasal irritation (spray form), nausea | Dizziness, leg cramps, nausea |
Key differences
Primary use. Calcitonin is categorised under Bone & Joint, while Teriparatide falls under Bone & Joint. Because they target a similar goal, they are common alternatives to weigh against each other.
Regulatory status. Calcitonin: not FDA-approved; treated as a research compound. Teriparatide: not FDA-approved; treated as a research compound.
Dosing. Calcitonin is typically dosed at 100-200 IU (daily). Teriparatide is typically dosed at 20 mcg (daily).
Can you stack them?
Some protocols combine peptides, but stacking Calcitonin and Teriparatide 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 Teriparatide?
- Calcitonin and Teriparatide are both bone & joint peptides, but they differ in mechanism, dosing, and regulatory status. Calcitonin is not FDA-approved; generally classified as a research compound, whereas Teriparatide is not FDA-approved; generally classified as a research compound.
- What is Calcitonin used for?
- FDA-approved bone resorption inhibitor.
- What is Teriparatide used for?
- FDA-approved bone builder.
- Can you take Calcitonin and Teriparatide together?
- Some users combine peptides within a single protocol, but stacking Calcitonin and Teriparatide 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 Teriparatide FDA-approved?
- Calcitonin is not FDA-approved; generally classified as a research compound. Teriparatide is not FDA-approved; generally classified as a research compound.
Read the full articles
- Calcitonin — full monograph: mechanism, research, dosing & references
- Teriparatide — full monograph: mechanism, research, dosing & references