How long can you take L citrulline?

A single dose of 8 grams just before exercise has also been used. L-citrulline maleate 2 grams daily for up to 8 weeks has also been used. 1.2 grams daily plus L-arginine 1.2 grams daily for 7 days has also been used. For heart failure: 3 grams daily for 2-4 months.

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