About Us

Founded in 2006,

Dongyu USI has been a premier distributor of nutritional ingredients servicing the Sports Nutrition, Food & Beverage, Health & Beauty, and Pet industries. With our 30,000sf warehouse located in Tustin, CA, we stock hundreds of ingredients. With our strong relationship with worldwide suppliers, this allows us to fulfill our customer's ingredient needs along with competitive prices

Dongyu USI, as a distributor, we understand our role and responsibility in the supply chain. To guarantee the quality of supply chain management and our service, we have achieved NSF certification for our facility. We always stay up to date with industry regulations, which allows us to be a valuable and trustworthy supplier in the industry.

Dongyu USI is also the exclusive importer of Koncepnutra's L-Carnitine series of products in North America. With Koncepnutra's superior quality management, this assures the production and distribution of top-quality material around the world. Our strong partnership makes Dongyu USI one of the largest suppliers of the L-Carnitine series products in the US.

Make sure to review our product list and discover how we can help build your business. Contact Info@Dongyu.us for all your questions.