Hydrazero Effervescent 20 Units by 226ERS are ideal effervescent tablets for active athletes. These tablets are designed to quickly and effectively replenish electrolytes lost during exercise. Each tablet provides 500 mg of sodium, 130 mg of potassium, 9.25 mg of magnesium, and 181 mg of chlorine without extra calories. Potassium aids in the normal functioning of muscles and nerves, while magnesium contributes to electrolyte balance. Packaged in tubes of 20 tablets, each weighing 4.5 g, they are easy to transport and use, especially as they dissolve completely in a bottle. Recommended for physically active adults, do not exceed a daily dose of 4 tablets. Store in a cool, dry place.