What is natures aid l arginine hcl 750mg the human body uses 20 amino acids to build proteins, which help maintain muscle mass and healthy bones. Of the 20 amino acids, 9 are essential the body cannot produce them, so we must obtain them through protein rich foods. The other 11 amino acids are conditional the body can usually make them, but in times of illness and stress, they become essential and must come from the diet. These conditional amino acids include arginine, cysteine, glutamine, glycine, proline, serine and tyrosine. Our l arginine tablets contain 750mg of l arginine hydrochloride, which provides 620mg of pure l arginine. These vegetarian, gluten free tablets are suitable for supplementing conditional amino acids like l arginine. Ingredients what are the active ingredients l arginine hydrochloride, microcrystalline cellulose, di calcium phosphate, anticaking agents silicon dioxide, tablet coating hydroxypropylcellulose, hydroxypropylmethylcellulose, anticaking agent vegetable source stearic acid, vegetable source magnesium stearate.ingredients usage how to take natures aid l arginine hcl 750mg take 1 3 tablets per day on an empty stomach. Usage warnings precautions to consider before using natures aid l arginine hcl 750mg do not exceed the recommended intake. Warnings