Description Medi-C Plus with Calcium Ascorbate provides high doses of vitamin C and L-lysine, along with calcium, to support cardiovascular health and immune function. These nutrients can also help reduce the recurrence of cold sores, provide antioxidant support, and maintain bones, teeth, and gums. Vitamin C and lysine work together to build collagen, strengthening and holding the coronary artery. NPN: 80035260