Salt Stick Capsules are the only electrolyte capsule that was formulated to closely resemble the electrolyte profile lost during activity: sodium, potassium, calcium and magnesium. They contain only what you need, no herbal, trace or questionable components added. They are Gluten free and have no soy or nuts and no sweeteners or high fructose corn syrup. One Capsule Contains: 215 mg sodium 63 mg potassium 22 mg calcium 11 mg magnesium. 100 IU Vitamin D to help the body absorb and utilise calcium. Other Features No sweeteners Does not contain any World Anti-Doping Agency (WADA) or International Olympic Committee (IOC) banned substances Suggested Use Athletes should consider getting a sweat test to work out what their electrolyte requirement is. But runners should aim for an intake of 1 capsule per 30-60 minutes during activity.