Peptide library / Digestive & weight / Sincalide
Sincalide
A synthetic fragment of the gut hormone cholecystokinin used in gallbladder and pancreas tests.
Effects studied or claimed
What it is used or promoted for, and where each effect has actually been seen
- Gallbladder imaging and testingFDA approved
- Pancreatic secretion testingFDA approved
How it is thought to work
Sincalide copies the last eight amino acids of CCK, which make the gallbladder contract and the pancreas release enzymes.
What the evidence shows
A long-established diagnostic agent.
Safety and unknowns
Abdominal cramps and nausea can occur during the test.
Regulatory status
FDA-approved as a diagnostic agent.
Regulatory status changes quickly. This entry was last reviewed on 27 October 2026. Confirm current status with the FDA before relying on it.
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General information, not medical advice. Do not buy or inject unregulated peptides.