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[Glossary](/glossary)/ Ghrelin 

Research 

# Ghrelin

## Definition

A hormone primarily produced by the stomach that stimulates appetite and growth hormone release.

## Why It Matters

Ipamorelin acts on the ghrelin receptor, making this hormone relevant to understanding GH secretagogues.

## Related Terms

[Growth Hormone](/glossary/growth-hormone)[Receptor](/glossary/receptor)[Secretagogue](/glossary/secretagogue)

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