Compare Pre-Workout Supplements: Ingredients & Supplement Facts
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Pre-workout supplements are powdered formulas designed to be taken before exercise, typically containing ingredients like caffeine for energy, beta-alanine for endurance, and L-citrulline for nitric oxide production and muscle pumps. They often include branched-chain amino acids, creatine, and various nootropic compounds, and are available in both stimulant and stimulant-free versions.
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