3,3′-diindolylmethane, also known as DIM, is a found in cruciferous foods like broccoli and cauliflower.  DIM has been shown to have anti-cancer (also known as chemo-preventive) effects, primarily in hormone-based cancers.  
 
Calcium D-Glucarate, also known as CDG, is a natural substance found in small amounts in certain fruits and vegetables. It is a unique form of glucaric acid that has been shown to have numerous health benefits, including liver health, hormone balance, and cancer prevention. 
 
References:
Chemopreventive Properties of 3,3′-Diindolylmethane in Breast Cancer: Evidence from Experimental and Human Studies
 
Multiple Therapeutic and Preventive Effects of 3,3′-Diindolylmethane on Cancers Including Prostate Cancer and High Grade Prostatic Intraepithelial Neoplasia
 
Calcium D-Glucarate Monograph