Q:

How much L-arginine should I take for weight lifting?

A:

Quick Answer

Bodybuilding.com suggests taking 1 to 3 grams of L-arginine per day as an aid to build muscles in association with regular strength training. WebMD suggests doses of 5 to 20 grams a day for treating a variety of health conditions.

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Full Answer

WebMD reports that there is insufficient evidence to evaluate the use of L-arginine to improve athletic performance but provides doses for other uses. It advises people to take 5 grams a day to treat erectile dysfunction, 6 to 20 grams per day to treat congestive heart failure and 9 to 18 grams a day to treat angina. Healthline does not provide a specific dosage of L-arginine for weightlifting and reports that evidence suggests the supplement is ineffective for improving athletic performance.

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