- All Items
- Goal: Perfomance & Endurance
- High Stock
- Label New
- Products: Amino Acid Supplements
- Products: Arginine
- Products: Caffeine
- Products: Energy
- Products: Other Amino Acids
- Products: Performance and Recovery
- Products: Pre-Workout Supplements
- Products: Pump and Nitric Oxide
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L-Arginine is an amino acid that is converted in the body to an important cellular signaller, nitric oxide. Nitric oxide is important as it allows for increased muscle pump, increasing blood flow into the muscle allowing for important muscle building nutrients to enter the muscle for improved recovery and growth. L-Citrulline is also another popular Nitric Oxide booster as it converts to arginine in the body.