Description
GNC Pro Performance Pre-Workout is a dietary powder supplement designed to boost energy, enhance muscle pumps, and improve endurance. Key active ingredients per serving typically include 3500 mg of Beta-Alanine, 1500 mg of L-Arginine, L-Citrulline, and roughly 200 mg of Caffeine. It is commonly used for weight training, cardio, and high-intensity sports.
Core Benefits
- Energy and Focus: Features caffeine, L-Theanine, and L-Tyrosine to increase alertness and sharpen mental concentration during exercise.
- Blood Flow and Pump: Uses L-Arginine and L-Citrulline to enhance nitric oxide production, improving oxygen and blood delivery to working muscles.
- Endurance and Recovery: Contains beta-alanine and creatine to buffer lactic acid build-up, delay exhaustion, and support faster muscle recovery


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