Broccoli Sprouts Extract, Value Size, 120 Tablets, Source NaturalsSource Naturals Broccoli Sprouts Dietary Supplement. Standardized Extract. A number of studies have shown that a diet rich in cruciferous vegetables such as broccoli, Brussels sprouts, cabbage, and cauliflower can be beneficial to your health. Researchers have isolated a key component of broccoli called sulforaphane, which may have many protective properties. Sulphoraphane, an isothiocyanate, is believed to stimulate enzymes in the body. Freshly