Usana Health Sciences operates in the field of nutritional health and is currently available in more than 15 countries. We offer a range of products that are exclusive, patented and without chemical preservatives. For the body's wellness, for cellular and macro nutrition, we offer the most complete system of mineral contribution and multivitamines on the market. USANA Products are remarkably sure, effective and exemps of contaminants. They are used by several famous sports organizations like: Speed skating Canada and Biathlon Canada .