The ONLY electrolyte capsule that was formulated to closely resemble the electrolyte profile lost during activity: sodium, potassium, calcium and magnesium. Contains only WHAT YOU NEED: No herbal, trace, questionable components added. Gluten free. No soy or nuts. No sweeteners, and no high fructose corn syrup. Made in the USA — Free of banned substances and independently tested. Learn more about our manufacturing and safety. Vegetable-based capsule composition. Bio-available active ingredients. View all the Caps ingredients. Each capsule contains: 215 mg sodium, 63 mg potassium, 22 mg calcium, 11 mg magnesium. 100 IU Vitamin D to help the body absorb and utilize calcium. View the Comparison Table. Also great for effective rehydration during international travel, hiking, and effects of alcohol and unfamiliar foods Also helpful for electrolyte supplementation for CF, POTS and Addison’s disease. Suggested use: 1 capsule per 30-60 minutes during activity. View our Caps Usage Guide. Available in 100ct and 30ct bottles and 3ct packets. Does not cause tooth decay.