What Calcitonin is
Calcitonin is a peptide hormone involved in calcium and bone metabolism, with analog products used in approved clinical contexts.
Calcitonin is grouped under Approved / Clinical / Endogenous / Biology on PeptideFactCheck because it expands peptide coverage beyond performance into endocrine and bone biology.
The useful starting point is to separate the molecule itself from the internet story around it. It rounds out peptide hormones beyond fitness and GLP-1s.
Why people keep looking it up
People connect calcitonin with calcium and bone metabolism.
Calcitonin is a peptide hormone involved in calcium balance and bone-related physiology.
Calcitonin tends to stay in the conversation because it touches a familiar public theme: calcitonin receptor, bone metabolism, and calcium. That makes it easy for the claim to travel faster than the evidence.
What the evidence can support right now
Approved uses are specific and should be read through current labels.
Human evidence and official labels exist for specific products and indications.
Mechanistic biology is established around receptor signaling and calcium homeostasis.
Why this page carries the current tier: Approved peptide hormone product class with official label trail.
The current seed trail for Calcitonin is pulling from 1 labels source, 1 regulatory source, and 1 literature source.
Safety, limits, and regulatory context
Use claims should follow labels and current regulatory guidance.
FDA-approved calcitonin products exist for specific indications.
Editorial boundary: PeptideFactCheck does not publish dosing, cycling, sourcing, injection, or administration instructions for Calcitonin. The job here is to explain the public claim, the mechanism story, the evidence strength, and the current limits.
Molecular and identifier data
The current PubChem match for Calcitonin is CID 118984394. That gives the page a source-backed chemistry record rather than a placeholder identifier block.
- PubChem CID
- 118984394
- Formula
- C151H226N40O45S3
- Molecular weight
- 3417.9
- InChIKey
- LDVRMNJZLWXJPL-GXQFRRLTSA-N
Matched synonyms include Calcitonin, human, for bioassay, Throcalcitonin, salcatonin (salmon, calcitoninum humanum, calcitoninum salmonis, Calcitonin(1-32), Calcitonin, unspecified, RefChem:917865.
Open PubChem recordClinical trial snapshot
The current ClinicalTrials.gov intervention query for Calcitonin returns 141 study records. This does not prove efficacy by itself, but it does show whether the peptide is showing up in a formal trial registry rather than only in forums or vendor copy.
Literature snapshot
The current PubMed query for Calcitonin returns 38198 results. The articles below are a quick literature surface so the page shows actual papers instead of only generic evidence labels.
Label and regulatory records
For approved or clinically developed peptides, the page now pulls in official labeling and FDA-facing records where they exist. That makes the regulatory section materially more useful than a generic approved or not-approved tag.
- Brand names
- CALCITONIN SALMON
- Generic names
- CALCITONIN SALMON
- Routes
- INTRAMUSCULAR, SUBCUTANEOUS
- Application numbers
- ANDA215864
Indications and usage. 1 INDICATIONS AND USAGE Calcitonin salmon injection, synthetic is a calcitonin, indicated for the following conditions: Treatment of symptomatic Paget's disease of bone when alternative treatments are not suitable ( 1.1 ) Treatment of hypercalcemia ( 1.2 ) Treatment of postmenopausal osteoporosis when alternative treatments are not suitable. Fracture reduction efficacy has not been demonstrated ( 1.3 ) Limitations o...
Warnings and cautions. 5 WARNINGS AND PRECAUTIONS Serious hypersensitivity reactions, including reports of fatal anaphylaxis have been reported. Consider skin testing prior to treatment in patients with suspected hypersensitivity to calcitonin salmon ( 5.1 ) Hypocalcemia has been reported. Ensure adequate intake of calcium and vitamin D ( 5.2 ) Malignancy: A meta-analysis of 21 clinical trials suggests an increased risk of overall maligna...
Contraindications. 4 CONTRAINDICATIONS Hypersensitivity to calcitonin salmon or any of the excipients. Reactions have included anaphylaxis with death, bronchospasm, and swelling of the tongue or throat [see Warnings and Precautions ( 5.1 )]. Hypersensitivity to calcitonin salmon or any of the excipients ( 4 )
Source trail
Each linked source is shown directly so the page can be audited. The page now combines its editorial seed trail with automated official-source enrichment generated on 2026-04-24 from PubChem, ClinicalTrials.gov, PubMed, DailyMed, openFDA label, and Drugs@FDA.