Calorie Restriction
- Bob Phillips' CR Page
- Calorie Restriction with Optimal Nutrition
- CR Society
- CR Society Forums
- Cron-O-Meter — Site for tracking daily nutritional information
- Methuselah Foundation — "Making 90 the new 50 by 2030"
- Wikipedia article on calorie restriction
- Yahoo Groups: CR Support Group
Miscellaneous
- Ask Dr. Weil
- Dr. Axe — Author of The Real Food Diet Cookbook
- Joel Fuhrman — Author of Eat to Live
- FitDay — Free online diet journal. Track what you eat.
- Global Health Solutions — How lack of water leads to many of the ailments that we suffer from.
- Glycemic Index
- Immortality Institute's Forums, where they discuss all kinds of nutrition issues
- Life Extension Foundation
- McDougall Wellness Center
- Dr. Joseph Mercola — The second most visited natural health site
- Okinawa Centenarian Study Web Site
- Dean Ornish at WebMD
- Protein Power — The Eades approach to low-carb, high-protein
- Dr. Sears.com — The official site of the Zone diet
- Weight Watchers — Including some great recipes.
- Dr. Whitaker — "America's Most Trusted Wellness Doctor"
- ZonePerfect.com
Raw Foods
- The Hallelujah Diet
- Living and Raw Foods — The largest raw foods community on the Internet.
- San Francisco Living Foods Enthusiasts
Recipes
- AllRecipes.com — Lifehacker's choice for best recipe search tool
- Cooking Light — Great recipe finder.
- Epicurious
- No Time? Cook Quick Meals With These 12 Recipe Sites for Everyone
- SuperCook — Recipes based on the ingredients that you have on hand