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What is insulin-like growth factor 1 (IGF-1)?

Growth hormone, which is made in the brain’s pituitary gland, tells the liver and other parts of the body to release another hormone called Insulin-like growth factor 1 (IGF-1). IGF-1 is made in the liver, then heads out into the bloodstream and travels to the bones and muscles. IGF-1 is also made in the bones, where it helps them to grow. As bones grow longer, people grow taller.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.