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What are the risks of arginine supplementation?

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In clinical trials, arginine has been used safely with minor side effects for up to three months. Possible side effects include abdominal pain and bloating, diarrhea, and gout. It may also cause a worsening of breathing in people with asthma. Arginine may interact with certain medications that lower blood pressure. It may also interact with certain heart medications and drugs such as Viagra that treat erectile dysfunction.

SOURCES: Natural Standard: "Arginine (L-arginine)." The American Heart Association: "Heart Disease and Stroke Statistics -- 2015 Update." Schulman. S, et al. , January 2006. Natural Medicines Natural Database: "L-Arginine Monograph."



The Journal of the American Medical Association

Reviewed by Suzanne R. Steinbaum on January 23, 2017

SOURCES: Natural Standard: "Arginine (L-arginine)." The American Heart Association: "Heart Disease and Stroke Statistics -- 2015 Update." Schulman. S, et al. , January 2006. Natural Medicines Natural Database: "L-Arginine Monograph."



The Journal of the American Medical Association

Reviewed by Suzanne R. Steinbaum on January 23, 2017

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How much arginine is needed daily?

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