Antioxidant and Detox Support. This dietary supplement, from Swanson, features BroccoPhane® broccoli sprout powder with guaranteed levels of broccoli's key master nutrient. Sulforaphane boosts your body's anti-oxidizing ability and supports skin health and cognitive function. It enhances the liver's detoxification capacity and supports the body's defenses against oxidative stress and cell damage. Science-backed quality since 1969. Vegan. 400 mcg per serving, 60 vegan capsules per bottle.