An enzyme naturally found in humans, superoxide dismutase (SOD) is formulated to support the body's antioxidant processes and its ability to break down superoxide radicals and protect cells from oxidative stress. Solaray S.O.D. 2000 Plus complex provides 2000 McCord Fridovich Units of superoxide dismutase with naturally occurring glutathione peroxidase and catalase for powerful support. The vegetarian capsules are enteric coated, which may help the delicate enzymes survive the harsh acids of the digestive tract for maximum absorption and utilization. Delivered in a base of rosemary, green tea, calcium D-glucarate, ellagic acid and grape seed extract for added, hardworking support. Like all Solaray products, S.O.D. 2000 Plus 400mg is rigorously tested and lab verified for purity and potency.