Protein
Protein: the main source the body uses to repair and build tissue, such as muscles, blood, skin, hair, nails, bone, organs. They can also be used as a course of energy. There are 4 calories per one gram of protein.
Proteins are called polypeptides. They are composites of amino acids that join together.
- Protein can be classified as incomplete or complete:
The average amount of protein a body needs depends on the activity level of the person. Your average person needs about 0.8 grams per kilogram, but someone who is very athletic can have as much as 1 gram per pound of body weight.
The best sources of protein are: beef, chicken, eggs, fish, turkey, whey protein and tofu. Also milk products can have a considerable amount of protein in them.
Some people consider peanut butter to be a high source of protein, but I would recommend against it because of its high fat content.
