American Dietetic Association With nearly 65,000 members, the American Dietetic Association is the nations largest organization of food and nutrition professionals. ADA serves the public by promoting optimal nutrition, health and well-being. ...Added: 16/10/2005 | http://www.eatright.org | Self-Descriptiveness: [ 0 ] Usfulness: [ 0 ] Design: [ 0 ] Evaluate This Web Site