Health and wellness testing. GxSlim is a scientifically-based weight management program that identifies your unique genetic makeup and then provides diet and exercise strategies that are tailored to your genotype. GxSlim will help you understand how your body uses food. It will show you what kinds of food you should or should not eat, where you have defciencies or excesses, even how you should exercise to optimize your weight loss results. Results in 2-3 weeks.