DIM is a plant indole from cruciferous vegetables and is known for its cancer protective properties. DIM is shown to be superior to a similar indole, I3C, because I3C may have the potential to aggravate certain cancers whereas DIM does not. Research shows that DIM supports healthy ratios of certain estrogens that play a role in cancer risk. DIM is also an aromatase inhibitor making it beneficial to men also. It blocks the conversion of testosterone to estrogen which is associated increase cancer risk and leads to fat storage.