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Average electrolytes lost in sweat (1 hour of exercise)
Sodium: 1,200 mg Chloride: 1,725 mg Potassium: 140 mg Calcium: 40 mg Magnesium: 8-10 mg Iron: 0.16-0.63 mg Copper: 0.4 mg Zinc: 0.4 mg Iodine: 52 mcg Selenium: 40 mcg Chromium: 7.5 mcg