Now Foods Arginine & Citrulline Veg Capsules, 120 count

Protein Metabolism* Muscle Maintenance* Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.* Both are key intermediates in the urea cycle, where they participate in the detoxification of ammonia via the production of urea.* In addition, any arginine not converted to urea enters general circulation where it is distributed to various tissues and metabolized for other uses such as protein synthesis.* Natural color variation may occur in this product.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 2.7 x 2.7 x 4.75 inches; 5.61 ounces
Item model number ‏ : ‎ 0037
Department ‏ : ‎ GNC|ALL|ALL|NUTRITIONAL SUPPLEMENTS
Date First Available ‏ : ‎ December 1, 2011
Manufacturer ‏ : ‎ NOW Sports – Nutrition and Wellness
ASIN ‏ : ‎ B002609QQG
Country of Origin ‏ : ‎ USA

NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics.
PROTEIN METABOLISM*: Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.*
NITRIC OXIDE PRECUSOR*/PRE-WORKOUT SUPPLEMENT: Take one capsule up to twice a day, preferably before working out.
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the USA by a family owned and operated company since 1968.