About the product
- NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics.
- 1:1 RATIO: Arginine and Citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.*
- DETOXIFICATION*: Both are key intermediates in the urea cycle, where they participate in the detoxification of ammonia via the production of urea.*
- 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.
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