3,3-二吲哚基甲烷是一种抗癌剂。它由芸苔属的西兰花花椰菜以及羽衣甘蓝中的吲哚-3-甲醇通过消化而来。

3,3′-Diindolylmethane (DIM) is a compound derived from the digestion of indole-3-carbinol, found in cruciferous vegetables such as broccoli, Brussels sprouts, cabbage and kale. The reputation of Brassica vegetables as healthy foods rests in part on the activities of diindolylmethane.