An essential amino acid that is physiologically active in the L-form.
Oral supplementation with L-arginine at doses up to 15 grams daily are generally well tolerated. The most common adverse reactions of higher doses from 15 to 30 grams daily are nausea, abdominal cramps and diarrhea. Some may experience these symptoms at lower doses.
Used for nutritional supplementation, also for treating dietary shortage or imbalance.