Slender Fx, REV - 2 fl.oz.Slender Fx, REV 2 fl. oz. Slender FX, REV, supports your body to mobilize and metabolize fat stores in the body. The REV, proprietary blend is designed to target excess fat and the YGY Activating System enhances absorption and utilization. Slender Fx, REV, Supplement Facts Slender FX, REV, is a dynamic and innovative fat burning and metabolizing solution to your weight loss challenges. Weight is not your problem, but FAT is. REV, helps support your