Ultima contains a perfect balance of all 6 electrolytes plus support minerals that work together to provide complete hydration without stomach upset so you can feel and perform your best. Ultima is sweetened with stevia leaf and made with real fruit flavors that taste delicious. Ultima is Keto-Friendly, Paleo-Friendly, Vegan, Sugar-Free, Zero Calorie, Gluten-Free and Non-GMO This formulation contains Vitamin C (Calcium Ascorbate) which supports a healthy immune system, protects the cells from oxidative stress and contributes to the reduction of tiredness and fatigue. Calcium to support muscle contraction and nerve function. Phosphorus to deliver oxygen to muscles, Selenium as antioxidant support, Zinc for recovery and neuron support, Magnesium for preventing muscle cramps, Potassium for cardiac muscle support, Sodium for muscle contraction and nerve function and Chloride for osmotic pressure support.