A combination of magnesium, potassium and the amino acid Taurine. Magnesium and potassium are electrolyte minerals that have a synergistic relationship in certain body systems. Taurine is the most abundant free amino acid in the heart muscle. Potassium contributes to normal blood pressure. Magnesium and potassium contribute to the normal functioning of the nervous system. Magnesium contributes to the reduction of tiredness and fatigue and normal psychological function. Note: This product is not intended to diagnose, treat, cure, or prevent any disease, nor should supplements be used as a substitute for a balanced diet. Not intended for pregnant/breastfeeding mothers or children under 18. Do not exceed the recommended dose.