Reviewed by PeptideGuide Research Team|Last updated February 15, 2026
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Secretin vs Cholecystokinin (CCK)
Complete side-by-side comparison of Secretin and Cholecystokinin (CCK).
Side-by-Side Comparison
Property
Secretin
Cholecystokinin (CCK)
Name
Secretin
Cholecystokinin (CCK)
Peptide Class
Hormone
Neuropeptide
Category
Endocrine
Endocrine
Dosage Range
0.2 mcg/kg to 0.4 mcg/kg
N/A
Half-Life
2-3 minutes
2-5 minutes
FDA Status
Approved
Not Approved
Safety Rating
Prescription Required
Generally Well-Tolerated
Cost Estimate
$200-400 per diagnostic procedure
N/A
Secretin
Secretin is a hormone primarily used as a diagnostic agent to evaluate pancreatic function. It plays a crucial role in regulating the pH of the small ...
View full profile →Cholecystokinin (CCK)
Cholecystokinin (CCK) is a neuropeptide that plays a critical role in the digestive system and appetite regulation. It is naturally released in the sm...
View full profile →