" of significant sulforaphane buildup.114 In other words, we now know that the cancer-fighting nutrients in broccoli do find their way to the right place when we swallow them. To reach the concentration of sulforaphane in the breast found to suppress breast cancer stem cells, however, you would have to eat at least a quarter-cup of broccoli sprouts a day.115 You can buy broccoli sprouts in the produce aisle, but they are cheap and easy to grow at home. "

― Michael Greger , How Not to Die: Discover the Foods Scientifically Proven to Prevent and Reverse Disease