The American Diabetes Association
The American Diabetes Association funds research, publishes scientific findings, provides information and other services to people with diabetes, their families, health professionals and the public

Diabetes PHD 
Interactive Web-based tool that makes it easier for people with diabetes -- and anyone at risk for developing diabetes, heart disease, or stroke -- to better manage their health.

National Diabetes Education Program

The National Diabetes Information Clearinghouse
The National Diabetes Information Clearinghouse (NDIC) is an information dissemination service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).

The Food and Drug Administration
The FDA Web site on diabetes.