USN Cramp Block Tablets exist for the moment every endurance athlete dreads: the mid-event cramp. This electrolyte-dense tablet formula replenishes key minerals, buffers muscle acidity and supports stamina through long training sessions and race days.
What's Inside
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Sodium bicarbonate — buffers muscle acidity to support endurance and speed
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Magnesium carbonate — helps reduce cramp risk
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Calcium carbonate — supports calcium levels and settles stomach acidity
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Di-potassium phosphate — assists cell and tissue repair
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Taurine — reduces cramp risk and may ease post-exercise muscle soreness
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Vitamin B6 — may help with exercise-related nerve discomfort
How to Use
Events: 2 tablets 30 minutes before the start, then 1 per hour of exercise; 2 tablets 30 minutes after finishing and 2 before bed. Daily: 2–4 tablets before bedtime. Phosphate loading: 3 tablets twice daily for the 3 days before an event.
Who It Suits
Endurance runners, cyclists, triathletes, team-sport players in long tournaments, and anyone whose training regularly ends in cramp.
