BBC Online Health - Your Weight - Details on how to keep to a healthy weight, eat well and reduce your risk of heart disease, diabetes and other health problems.
Body Mass Index Calculators - Offers tables for men and women, with adjustments for older and younger individuals. Includes explanation of results.
Calculate your Body Mass Index - National Institute of Health (NIH) page uses height and weight (English or metric) to determine amount of body fat.
The Calorie Control Council - Explains how to cut calories and reduce fat in a diet. Recommendations on achieving and maintaining a healthy weight, and selection of low-calorie, reduced fat foods and beverages.
Calorie Counter - Lose weight through healthy eating and exercise. Support, diet tips and chat room.
Calorie Database - Includes nutritional information on individual food items, with breakdown of calories, carb, fat, and various vitamins and minerals.
Calorie-Count.com - Offers a searchable directory of nutrition facts and printable food labels. Includes a daily calorie requirement tool to determine daily calorie needs.
CalorieKing.com - A diet portal featuring free diet plans and programmes with a powerful online diet diary.
CalorieLab.com - Weight loss and calorie calculators and information.
Calorielator - This is an on-line audio-visual tool to estimate the calories needed to maintain one's current weight and, if currently overweight, to estimate the number of days it takes to reach the ideal weight by reducing the food intake appropriately.
Caloriesperhour - Provides calculators for activities and foods, as well as diet and weight loss tips, and tutorial.
Diet and Fitness by iVillage.com - Diet tips, information on how to maintain a healthy lifestyle, health calculator, find a workout, keyboard yoga and online chats and discussions.
Diet Tips - Has articles, links, and reviews about dieting, nutrition, exercise, and other heath related issues. Contribute an article to be considered for posting.
Dieting Review - Reviews the general guidelines and the positive and negative aspects of most popular diets. Includes a selection of weight loss tools and a forum.
Dr. B's Weight Loss Network - Written by a doctor and includes sections on cosmetic surgery, diet and nutrition recommended reading.
Eat Fat and Grow Slim - A simple explanation of how most people get fat and how they can easily become slim again without starving or enduring unpleasant diets. Written by Richard Mackarness, M.B.,B.S.
FitDay.com - Free online diet and fitness journal. Input foods, activities, and goals to create individual progress reports.
Free Diet Tips - Resource for weight loss and exercise information, and low fat recipes.
The Hacker's Diet - Billed as "how to lose weight and hair through stress and poor nutrition," this is a serious weight loss program written from an engineering and management perspective.
If Not Dieting, Then What - Dr. Rick Kausman - Provides help and support for people to achieve and maintain a healthy, comfortable weight without being deprived of food or losing quality of life.
John La Puma, M.D. - Food and medical information, and recipes, from a physician and professionally trained chef.
LivingHeart.com - Individualized diets to lower weight, cholesterol, triglyceride, blood pressure, and blood sugar. Tips, books, online nutrient analysis of your diet, plus nutrition counseling with a dietitian.
The Lose Weight Diet - Provides a free diet and exercise plan, with an explanation of each phase, and an analysis of common advice. Also includes a comparison of popular diet programs.
MedicineNet.com - Includes information on therapies, prevention and healthy living.
Nu-Living - Program and workshops by Dr. Terlinsky to reduce weight offer physician assistance, multi-modal approach and individualized treatment. Virginia.
NutriDiary - Free food and exercise logging web application that tracks, analyzes, and graphs calories in, calories out, nutrients, weight, body fat, and BMI. Also allows weight goal and nutrition target setting.
Nutri.info - Download the Agile Body Mass Index Calculator 1.0 to calculates BMI using height, weight and gender.
One Fat Chef - Contains low fat recipes, weight loss journal and progress, nutrition and exercise information plus the famous one fat chef. Browse through the free online healthy recipes for cooking ideas.
Overweight .net - Provides weight management resources, tools, and recipes.
Weigh-Less - To attain and maintain the ideal weight, the healthy way. Offers message boards, chat, exercise, food for the soul, recipes and success stories.
Weight Awareness - A health information portal with information on surgical weight loss solutions. Includes directory of plastic surgeons and gastric bypass surgeons.
Weight Loss: About.com - Links to information about diets, emotional eating, fitness, nutrition, cooking and more, as well as weekly feature articles.
Weight Loss For All - Provides weight loss solutions through education. Offers articles on exercise, diet, fitness, weight loss tips, and metabolism.
Weight Loss Help - Summaries, reviews, and recipes for weight loss programs. Provides information for and feedback from dieters on what works and what doesn't. Includes a support forum.
Weight Loss Index - Provides information on weight loss, diet, fitness, health, and supplements.
Weight loss Information - Including everything you need to know from exercises, to diet tips, and motivation.
Weight Loss Made Simple - Offers sound advice in fitness, dieting, exercise, and motivation.
Weight Loss Management Center - Expert-reviewed articles offer tips and guidance on effective weight loss planning. Also includes a free question-and-answer service with registered dietitians.
Weight Management Center - Expert-reviewed articles offer tips and guidance on effective weight loss planning. Also includes a free question-and-answer service with registered dietitians.
Weight Watchers International - Official site providing information about health, nutrition, dieting, exercise and fitness.
Weightcheck - Online weight loss and exercise advice with a personal advisor for motivation and help to achieve your weight goal.
Weightfocus - A resource for people interested in practical weight management information, including healthy eating, sensible dieting tips, nutrition, and weight loss maintenance.
Weightloss Resource - Includes diet plans, pills, and how to talk to your doctor. Features a body mass index and other helpful tools.
Winning with Wendy - Motivation and support for Weight Watchers members. Includes Winning Points recipes, tips, and links.
Zone Diet Info - Offers tips, frequently asked questions, and menus for the Zone Diet.