About this item It is an important precursor of Nitric Oxide (NO) and thus plays a role in the dilation of blood vessels This product has twice the L-Arginine (1, 000 mg per tablet) as in our regular strength product (500 mg per capsule) This product should be taken with at least a full glass of liquid Taking this product without enough liquid may cause choking, do not take this product if you have difficulty in swallowing Product description L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. Product details Is Discontinued By Manufacturer ‏ : ‎ No Product Dimensions ‏ : ‎ 6.86 x 6.86 x 12.07 cm; 100 g Manufacturer ‏ : ‎ Now Foods Item model number ‏ : ‎ 0035 Country of Origin ‏ : ‎ USA Manufacturer ‏ : ‎ Now Foods Item Weight ‏ : ‎ 100 g Item Dimensions LxWxH ‏ : ‎ 6.9 x 6.9 x 12.1 Centimeters Net Quantity ‏ : ‎ 120 Count