Citrulline combined with malic acid forms citrulline malate . The amino acid citrulline occurs in watermelon (Citrullus lanatus), while malic acid is an organic acid abundant in nature (for example, in fruits ). Many proteins contain citrulline , and both ingredients are key players in metabolic cycles . Citrulline malate supplementation is popular among athletes and bodybuilders who follow harsh training regimens. Format: A bottle of 90 capsules. How to use: Take 3 capsules a day, 60 minutes before your workout. Ingredients: L-citrulline DL-malate 1:1, glazing agent (bovine gelatin; colors: titanium dioxide, brilliant black BN, black iron oxide), anti-caking agent (magnesium stearate). Nutritional information: per capsule %CDR* L-citrulline DL-malate 1:1 3000mg †