Magnesium and potassium contribute to the normal functioning of the muscles. Magnesium contributes to normal protein synthesis and electrolyte balance. Vitamin C contributes to the normal formation of collagen. Vitamin B6 contributes to normal protein metabolism. Pleasant orange flavor. How to use: Take 1 effervescent tablet a day in 200 ml of water. When to take it? People who practice sports, before or after exercise. People who perform an exercise that involves a large amount of sweating.