NaturVet Cardiovascular Support Tablets are for use in dogs over the age of 12 weeks. Helps support the cardiovascular system and maintain overall cardiovascular health. Synergistic blend of botanicals, antioxidants, and amino acids help to support the cardiovascular system; Hawthorn and Magnesium helps to support the normal function of the cardiac muscle; Siberian Ginseng, Ziziphus, Dan Shen, Taurine and L-carnitine help promote optimal coronary circulation, while the antioxidants help to reduce free radical damage.