Fastchews feature a scientifically-derived, proprietary high-performance formulation that provides a balanced supply of bioavailable sodium, potassium, magnesium, and calcium. The formulation mirrors the electrolyte profile lost in sweat, in a form and quantity the body can absorb. Helps reduce muscle cramping, reduce heat stress, boost stamina, and maintain electrolyte levels. Each serving (2 tablets) contains 100mg sodium, 30mg potassium, 10mg calcium, 6mg magnesium. Sodium is derived from sodium citrate, a proven source that has the added benefit of soothing the stomach. Rapid absorption takes place by mouth (buccal mucosa, and then the stomach. Great for youth sports, travel rehydration, tennis and other sports, camping, hiking, effects of alcohol. Bio-available active ingredients, made in USA under cGMP (current Good Manufacturing Practice). Non-GMO ingredients are all natural, gluten-free, vegetarian, and without artificial sweeteners or colors. 10 calories per 2 tablet serving. Natural stevia as sweetene. Bottle with flip-top lid for quick access and increased protection from moisture.