Both intensive weight training and endurance exercise can decrease the body's energy stores and lead to water and electrolyte loss. Hot and humid environments can further increase this scenario that may result in a drop in performance. Therefore, it can be beneficial to replenish all lost vital substrates. Isotec provides a "tri-carb" source that means 3 different characteristic carbohydrates. The electrolytes help replenish the amount lost with sweat. Some of our key ingredients contribute to one or more of the following beneficial physiological effects: - Electrolyte balance. - Normal energy-yielding metabolism. - Reduction of tiredness and fatigue. - Normal functioning of the nervous system: neurotransmission and muscle contraction including heart muscle. - Normal function of cell membranes. - Normal protein synthesis. - Maintenance of normal bones and teeth.