Testrol Gold ES is GAT’s specialty men’s testosterone booster. This advanced formula naturally supports male performance, endurance, strength, and testosterone, with the added benefit of hormone regulators.* Contains DIM, short for 3,3’– diindolylmethane, a compound from indole-3-carbinol (I3C), a phytonutrient that offers estrogen balance support for men.* DIM supports the activity of specific enzymes that support normal estrogen ratios that optimizes testosterone hormone levels.*