Protein is an important part of a healthy diet. Proteins are made up of chemical 'building blocks' called amino acids. Your body uses amino acids to build and repair muscles and bones and to make hormones and enzymes. They can also be used as an energy source.

Why does protein help you lose weight?

By replacing carbs and fat with protein, you reduce the hunger hormone and boost several satiety hormones. This leads to a major reduction in hunger and is the main reason protein helps you lose weight. It can make you eat fewer calories automatically.

Why is protein so important to the body?

Your body needs protein to stay healthy and work the way it should. More than 10,000 types are found in everything from your organs to your muscles and tissues to your bones, skin, and hair. Protein is also a critical part of the processes that fuel your energy and carry oxygen throughout your body in your blood.