About the Challenge Save money, win prizes, and get in the best shape of your life! The Body by Vi™ 90-Day Challenge rewards people who take advantage of ViSalus health products and support tools to transform their bodies. Whether you want to lose weight, be active, or get fit, start your challenge today and join a welcoming and supportive community of people like you... It's not about what you have to lose, it's about what you have to gain!