Reviewed by PeptideGuide Research Team|Last updated February 15, 2026
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Side-by-Side Comparison
Property
Secretin
Gastrin
Name
Secretin
Gastrin
Peptide Class
Hormone
Hormone
Category
Endocrine
Endocrine
Dosage Range
0.2 mcg/kg to 0.4 mcg/kg
N/A
Half-Life
2-3 minutes
5 minutes
FDA Status
Approved
Not Approved
Safety Rating
Prescription Required
Prescription Required
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 ...
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Gastrin is a peptide hormone primarily involved in the regulation of gastric acid secretion and gastrointestinal motility. It plays a crucial role in ...
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