Wonder how it would interact with gut bacteria

Does this mean you can eat these veggies and have the benefits or can you gargle a cabbage smoothie?

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.

https://en.wikipedia.org/wiki/3%2C3'-Diindolylmethane