CarboWatch - Offers information on the fundamentals of food, exercise, and dieting.
CarbWire - Offers information about new research, products and industry news.
DietLowCarb.com - Free support and information. Diet challenges, forums, and online cookbook.
The Low Carb Cafe - Reviews low carbohydrate diets, including recipes. Also carbohydrate calculators, and chat rooms.
Low Carb Luxury - Online guide to resources for the low-carbohydrate dieter. Offer low carb news, product reviews, and shopping guide.
LowCarbEating.com - Information, recipes, message boards, chat, products and support for dieters on Atkins, Carbohydrate Addicts, Protein Power and other eating plans.
PCOS and Carbohydrates - Several links about insulin resistance and carbohydrate-controlled diets.
Purple People Eaters - Low carb support group which includes a low-carb food list, message boards, chat room, product reviews, and marketplace.
Sugar Addict.com - Provides support on reducing sugar or carbohydrate addictions, offers healthy low carbohydrate, higher protein diet for weight loss. Sugar-free recipes posted.
Wikipedia - Low-carbohydrate Diet - An article on the trend of low-carbohydrate diets, including arguments for and against, information on related diets, and links.