Understand the source comparison
Amylin vs Insulin vs GLP-1: How the Signals Differ
Amylin is frequently confused with the two hormones it is most often mentioned beside. They are distinct molecules with distinct receptors, even though all three influence glucose and appetite. Source cell Pancreatic beta cell Intestinal L-cell Released with a
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- Amylin is frequently confused with the two hormones it is most often mentioned beside. They are distinct molecules with distinct receptors, even though all three influence glucose and appetite.
- Source cell
- Pancreatic beta cell
- Intestinal L-cell
- Released with a meal?
- Yes (with insulin)
- Yes
- Yes (gut-derived incretin)
- Primary receptor
- Calcitonin receptor + RAMP (AMY1/2/3)
- Insulin receptor
- GLP-1 receptor
- Signature actions
- Satiation, slowed gastric emptying, glucagon suppression
- Glucose uptake into cells
- Glucose-dependent insulin secretion, satiety, slowed emptying
- Amino-acid length
- 37
- 51 (two chains)
- ~30 (active fragment)
- The overlap in appetite-related actions between amylin and GLP-1 is precisely why researchers are interested in combining them — the two hormones reduce food intake through partly separate circuits, so pairing them may produce complementary rather than redundant effects.[4] If you want the broader incretin picture, see our complete guide to GLP-1 biology.