Developed and distributed in Europe by Harrison Barr Ltd. The U-Boss brand offers a unique range of cutting edge performance supporting supplements that, when used as directed, will help boost your performance and muscle mass beyond all your previous expectations. This website will help you learn more about some of the most innovative and exciting formulas that have been developed over the last two years in empirical and field trials. And it is our policy to only include ingredients that can be fully supported by clinical studies that demonstrate efficiency and purity.