MDNU Medical Nutrition Usa (MM)

Medical Nutrition USA, Inc. (NASDAQ: MDNU), a supplier of uniquely engineered medical nutritional supplements for nursing homes, hospitals and dialysis clinics, announced it has been selected as a supplier by Amerinet Inc., a leading national group purchasing organization serving almost 5,800 healthcare institutions including long-term care, acute-care and alternate care facilities across the U.S.

The supplier agreement provides that Amerinet member institutions will be able to purchase Medical Nutrition's Pro-Stat�, Fiber-Stat� and UTI-Stat� product lines at the special prices that Amerinet has negotiated with distributors on behalf of its members. In addition, Amerinet will aid Medical Nutrition in marketing its products to the Amerinet membership.

"We are extremely pleased to be selected as a member of Amerinet's supplier network," said Frank A. Newman, Medical Nutrition's Chairman and Chief Executive Officer. "We know that Amerinet seeks only the best performing and most cost-effective products for its membership and are confident that this agreement will enable us to significantly increase our share of market among Amerinet's member institutions."

In a report on sales and distribution to the long-term care industry in the April 2009 issue of Repertoire [www.repertoiremag.com], Russ Ede, Vice President of non-acute care at Amerinet, said his company is focused on serving the long-term care market where facilities spend about $223.9 billion on patient care, equipment and products. Among the top five products in which Amerinet's long-term care members are interested, Mr. Ede said, are food and nutrition programs, advanced wound care and incontinence care.

About Amerinet

As a leading national group purchasing organization, Amerinet strategically partners with healthcare providers to reduce costs and improve quality. Through its Total Spend Management solutions and operational performance improvement programs, tools and services, Amerinet assists members in their efforts to reduce costs, improve efficiencies and create new revenue streams. Supported by a team of clinical, data and supply chain experts, Amerinet offers a comprehensive portfolio of product and service contracts to address members' specific needs. Amerinet serves acute and alternate care site healthcare providers nationwide. To learn more, visit www.amerinet-gpo.com.

About Medical Nutrition USA, Inc.

Medical Nutrition USA, Inc. (NASDAQ: MDNU) is a growing supplier of a line of engineered and clinically tested medical nutritional supplements aimed primarily at nursing homes, assisted living communities and dialysis markets nationwide. The company's strong performance is the result of its significant and growing share in U.S. and Canadian institutional markets that is accelerated by ongoing, successful new product development and introductions. Find more on Medical Nutrition at www.mdnu.com.

This press release contains forward-looking statements that are subject to certain risks and uncertainties. Although we believe that the expectations reflected in any of our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed. Risks and uncertainties that could cause or contribute to such material difference include, but are not limited to, general economic conditions, changes in customer demand, changes in trends in the nursing home, renal care, health food and bariatric surgery markets, changes in competitive pricing for products, and the impact of our competitors' new product introductions. Our future financial condition and results of operations, as well as any forward-looking statements are subject to change and inherent risk and uncertainties. Other important factors that may cause actual results to differ materially from those expressed in forward-looking statements is contained in the Medical Nutrition USA, Inc. Annual Report on Form 10-K for the year ended January 31, 2009 as filed with the Securities and Exchange Commission on April 24, 2009.

Contacts: Medical Nutrition USA, Inc. Frank J. Kimmerling Vice President/CFO 800.221.0308 Email Contact Investor Relations Adam Friedman 212.981.2529 x18 Email Contact