Citrulline Easy Tablets, 300 count. 1 tablet = 1 g of citrulline.Citrulline Easy Tablets are a medical food containing only the amino acid L-Citrulline. Citrulline Easy Tablets are suitable to be used in the dietary management of inborn errors of amino acid metabolism such as Urea Cycle Disorders (UCD) in patients aged 3 years and above.