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by Fitness Labs
A popular choice among bodybuilders, weightlifters and serious athletes, L-arginine and L-ornithine can help build muscle. As a precursor to nitric oxide (NO), a naturally occuring substance in the body, L-arginine helps increase exercise capacity, endurance and recovery.* Each capsule contains 1,000 mg free form L-arginine and 500 mg of L-ornithine. A great addition to any fitness and bodybuilding regimen!
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