Xendurance offers science backed supplements for optimal health & sports performance. Xendurance was founded in 1998 with the ambitious goal of transforming the Sports Nutrition landscape. Over the course of 20+ years we have completed numerous clinical and 3rd party open label studies proving the efficacy of our product. Xendurance products never contain artificial sweeteners, dyes or flavorings and are created with the most bio-available ingredients at research dosage levels. With a variety of products we offer something for everyone including vegan, vegetarian, dairy & gluten free options.