Proteins are essential for a balanced diet .
They build and maintain muscles, repair body tissues, support immune system and are needed for the production of enzymes and hormones.
Adults need a daily protein intake of 50–75 grams, about 10–15% of the calories in a 2000-calorie diet.
You can get your protein intake from animal or plant sources such as chicken, fish, dairy products and eggs, or beans, peas, nuts and lentils.