It has a recipe database, Body Mass Index Calculator, Favorite Food Analyzer, Calorie Counter, and Understanding Package Labels section, so you can learn more about your diabetes, and take control of your condition.
https://www.januvia.com/sitagliptin/januvia/consumer/dietary_tools/index.jsp?WT.srch=1&WT.mc_id=JA78E
It is sponsored by Merck, so there will be some bias in favor of the drug they are selling, but the most important thing is to keep tight control over your glucose.
For a free special report from Johns Hopkins on controlling your diabetes, visit:
http://www.johnshopkinshealthalerts.com/special_reports/diabetes/diabetes_reg_landing.html