SIS GO Hydro Tablets are designed to help your body stay optimally hydrated and perform at its best during training. The effervescent tablets are convenient and easy to use, with only 9 calories per serving. Simply add them to your bottle before your workout to hydrate your body and replenish essential electrolytes lost through sweat. That's why the tablets contain sodium, potassium, and magnesium, as the body needs these nutrients to maintain fluid balance. Additionally, the tablets are enriched with 75 mg of caffeine to enhance focus and performance. The effervescent tablets are also vegan and contain no lactose or gluten.