SaltStick Caps have been formulated to provide electrolytes to help minimize heat stress and muscle cramping due to perspiration, in a quantity and form which your body can absorb. This product is ideal for athletes, outdoor workers or for use in hot conditions. Two SaltStick Caps in an hour equate to 430 mg sodium, 126 mg potassium, 44 mg calcium, and 22 mg magnesium per hour, which is the ideal ratio to keep you moving. Each capsule contains 215mg sodium, 63mg potassium, 22mg calcium, 11mg magnesium, and 100 IU Vitamin D to help the body absorb and utilize calcium Formulated to closely resemble the electrolyte profile lost during activity: sodium, potassium, calcium and magnesium Also great for effective rehydration during international travel, hiking, and effects of alcohol and unfamiliar foods No herbal, trace, or questionable components added Gluten-free, Soy-free, Nut-free, No sweeteners, or high fructose corn syrup Vegetable-based capsule composition with Bio-available active ingredients