Protein is an essential nutrient that promotes growth, strength, energy, weight loss, and more. Common sources of protein include poultry, eggs, beans, beef, milk, cheese, soy, and more. Some people enjoy protein bars or shakes. High-protein diets are popular, though not always healthy. Follow the links below to find WebMD's comprehensive coverage about protein sources, protein foods and diets, and much more.
Healthy Eating for People With Heart Disease
For a person with heart disease, proper nutrition is essential to managing symptoms and preventing further complications. Read tips for a heart-healthy diet.
How to Eat Healthy for Weight Loss
Information on how a healthy diet can help you lose weight.
High Protein, Low-Carbohydrate Diets
WebMD describes the pros and cons of high protein/low carbohydrate diets.
How The Protein Power Diet Works
WebMD explains how the Protein Power diet causes your body to lose weight.
An Interview With Low-Carb Advocate Dr. Atkins
An interview with low-carb diet advocate Dr. Robert Atkins.
The Benefits of Protein
Beef up your knowledge of protein and good dietary sources.
Will Eating More Protein Help Your Body Gain Muscle Faster?
Seems like everyone at the gym is doing it: filling up on protein to bulk up those biceps. But it's a misconception. Eating extra protein actually doesn't do much toward boosting your muscle mass and strength.
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Focusing on the types of foods that you eat may boost performance.
Slideshows & Images
High-Protein Diets -- Do They Really Work?
Combine speedy weight loss with the satisfaction of feeling full, and it’s easy to understand why high-protein diets are popular. But is there a downside?
Energy-Boosting Foods for COPD
When you have COPD, eating right may help boost your energy. WebMD shows you how in pictures and words.
Get the Protein You Need
Get protein to stay strong! See high-protein foods that can be part of a well-rounded, healthy diet.
Yes, you can eat cheese! It's been a yummy treat for thousands of years. Learn about the different types, find out how they're made, and get tips on how to serve them.
Test Your Nutrition IQ
Take this quiz to find out how much you know about dietary guidelines.
Myths and Facts About Protein
Take this quiz about good sources of protein, how much you need, who needs more, and why protein is so important.
Test Your IQ on Protein and Building Muscle
Answer this question to find out more about eating protein and building muscle.
The Meat Effect: Protein, Carbs, and Your Diet
Nutritional information for dieters on proteins and carbohydrates.
Nutrition information on nuts.
6 Reasons to Get Your Dairy
Low-fat dairy offers many health benefits
Cheese, if You Please
6 ways to lighten up your favorite cheese dishes