Protein

arm88's picture

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:
  • Incomplete proteins are missing at least one of the 9 essential amino acids. These are usually found in plant food. (This is why vegetarians tend to be lacking in protein.)
  • Complete proteins have all 9 essential amino acids. Usually found in meats.
  • 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.

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    Nice, Great post Arm, you

    justin's picture

    Nice, Great post Arm, you for sure wouldn't want to use peanut butter as your main source of protein. If it's all natural it's a great source of fat though.

    My girl friend is a vegetarian, I've been trying to get her to eat red meats since I met her, lol It's slowly coming along.

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    hah, tell me about it, my

    arm88's picture

    hah, tell me about it, my sister is a vegetarian as well.

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