It’s a known fact that broccoli has potent cell-defending, power, but if you want to make the most of it, you’ll have to eat an awful lot of the green stuff. Not to worry, Swanson GreenFoods Formulas brings you Sulforaphane from Broccoli, the best sulforaphane supplement at the best value. This sulforaphane supplement features BroccoPhane broccoli-sprout powder with guaranteed levels of broccolis key master nutrient. What does this mean for your health? A lot. Sulforaphane boosts your bodies anti-oxidizing ability and supports skin health and cognitive function.