NCSF Sport Nutrition Specialist Certification (SNS) Practice Test 2025 – The All-in-One Resource to Master Your Certification!

Question: 1 / 400

L-arginine is primarily taken to increase levels of which hormone?

Insulin

Human Growth Hormone (hGH)

L-arginine is primarily taken to increase levels of Human Growth Hormone (hGH). This amino acid plays a crucial role in stimulating the release of hGH from the pituitary gland. When L-arginine is ingested, it can influence the release of this hormone, which is vital for growth, metabolism, and muscle development, making it particularly popular among athletes and bodybuilders seeking to enhance performance and recovery.

In addition to its role in hGH release, L-arginine can also contribute to improved blood flow and vascular function, which further supports athletic performance. However, its primary recognized benefit often ties back to increasing hGH production, setting it apart from the influences on other hormones like insulin, cortisol, or testosterone.

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Cortisol

Testosterone

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