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Natural Recovery*7.7 g Amino AcidsNo Synthetic Colors Artificial Flavors Or SweetenersNSF® Certified Sport Dietary Supplement Quality Promise Tested & Trusted Citrulline to support nitric oxide synthesis.NSF Certified for Sport® products have been rigorously tested for more than 270 banned substances and potentially harmful contaminants.*Natural Recovery is for the athlete who wants to support exercise recovery and protein synthesis without the synthetic colors artificial flavors or sweeteners.