Get the real facts about fad diets, and learn some healthy weight loss strategies that really work.

Discover how high-protein diets may help you lose weight and feel full. Find out the best sources of protein for weight loss.

Learn how high protein/low carbohydrate diets work and their pros and cons for weight loss.

Learn about rapid weight loss claims, types of diets, and the risks and benefits of rapid weight loss.

You may wonder what a healthy weight is, and how to get there (and stay there) the right way.

Do you need to lose weight? Measuring your waist circumference is a good way to tell.

The BMI Calculator is an innovative tool that gives personalized results based on different weight and fitness measurements.

Vitamin D is essential for healthy bones, and a lack of it can lead to health problems, including cardiovascular disease.

Vitamin B12 is essential for good health, but some people may not be getting enough.

Learn about the health benefits of phytonutrients, natural chemicals that are found in a variety of plant foods.

There are several types of fiber. Each works differently in your body and gives you distinct health perks.

Taking too many vitamins can be unhealthy and even dangerous. Find out how to be sure you’re getting the right amount.

Not all fats are created equal. Learn which fats are good for you, and which ones to limit.

Fat is made up of building blocks called fatty acids. When you eat food containing fat, your body breaks it into fatty acids.

Find out what trans fats are and which foods contain them. Plus, learn what "0 trans fats" really means.

Health experts warn that "fat-free" foods may cause more problems than they solve. Find out why.

See how many calories you need each day to maintain weight, lose weight, or gain weight.

To lose weight, you need to eat and drink fewer calories than you burn. That's called a calorie deficit.

When you're counting calories, remember to include your drink and to check its serving size.

When you're on a low-calorie diet, you usually get between 800 and 1,500 calories a day.

A 1200-calorie diet can help you lose weight by keeping you on a structured meal plan.

Find nutrition facts including calories, fat, carbohydrates, protein, sugar, and fiber in over 37,000 foods and beverages.

Did you eat your seaweed today? Find out why it's one of the lesser-known health-boosting foods.