100% Natural, Broccoli Sprouts with long lasting antioxidant activity. BroccoSprouts are the only broccoli sprout patented and licensed by Johns Hopkins University. Scientists at John Hopkins University School of Medicine studying broccoli and broccoli sprouts identified a natural compound, sulforaphane GS (SGS), which supports long lasting antioxidant and essential cellular function. Only BroccoSprouts are grown from special seeds tested and certified by Brassica Protection Products to provide a guaranteed level of SGS. Broccoli sprouts, a fat-free food, are a good source of vitamin C. Eating BroccoSprouts, as a part of a low-fat diet rich in fruits and vegetables, may help reduce the risk of some types of cancer, a disease associated with many factors.