o.r.s hydration electrolyte tablets, hydration multiplier with 60% less sugar and calories, 24 tablets, 12 servings (lemon) o.r.s o.r.s. hydration electrolyte tablets combine electrolytes, salts and essential minerals to restore a healthy fluid balance in adults and children by replenishing the body’s depleted water and salts. our hydration tablets are perfect for general health and wellness, travel, sports & exercise, and hot climates. our new and improved formula is vegan, halal, preservative-free, gluten-free, lactose-free, and is suitable for children ages 6 and above. each tablet has only 8 calories and can be broken in half and dropped into less water if desired.