A medicinal composition having a nitrate enriched extract of Amaranth for the prevention and treatment of myocardial ischemia-reperfusion injury, and for the improvement of cardioprotective health and cardio renal protection. A method for the prevention and treatment of myocardial ischemia-reperfusion injury, method of improving cardioprotective health and cardio renal protection by using the composition having a nitrate enriched extract of Amaranth.
