St. John's Nutrition Cardio 24/7 is a result of decades of research regarding heart function, circulation, arterial health, brain function, and stroke prevention.  Using a powerful blend of God's incredible natural herbs antioxidants and nutraceuticals, it is the ONLY formula of its kind.  No other cardiovascular formula contains the amazing Tamarind extract, which has undergone a myriad of clinical research regarding heart health, brain health, as well as its benefits in lowering LDL (bad) and increasing HDL (good) cholesterol.  Combined with the proven nitric oxide boosting effects of Beet Root extract, this formula was developed to optimize circulation and cardiovascular function.