Mannatech, Incorporated is a global health and wellness company that develops and sells nutritional supplements, topical and skin care products, and weight-management products. The company's products are based on the science of glyconutrition, which involves the study of the role of carbohydrates in the body and their impact on health. Mannatech's products are sold through a network of independent sales associates in more than 20 countries around the world. The company was founded in 1993 and is headquartered in Coppell, Texas.