USN Ultimate Sports Nutrition is an international brand that supplies high performance nutrition supplements. Their goal is to create the most advanced sports supplements to help people reach their physical goal in the shortest possible time, hence their slogan 'It's all about results'.
USN's Cramp Block is a fast-acting lactic acid buffer, formulated to prevent muscle cramps and provide your body with vital minerals. These tablets are taken before, during and after your ride to ensure optimum performance.
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