Protein

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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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    Yes, we need more protein

    Derlierprossy's picture

    Yes, we need more protein for doing hard work. There are more protein and vitamins in vegetables. We should eat this food. I am glad to read your article.

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    In nutrition, proteins are

    Derlierprossy's picture

    In nutrition, proteins are broken down in the stomach during digestion by enzymes known as protease into smaller polypeptides to provide amino acids for the body, including the essential amino acids that the organism cannot be bio-synthesized by the body itself. Thus, protein from one's diet should provide both essential and non-essential amino acids for protein synthesis.

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    Meal replacements provide a

    Derlierprossy's picture

    Meal replacements provide a balance of protein, carbohydrates and other essential nutrients in convenient powder form.

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    High Protein Foods is an

    Derlierprossy's picture

    High Protein Foods is an online database with protein information on more than 6000 foods. Whether you're pursuing a high protein diet or trying to limit your protein intake, High Protein Foods will help you identify how much protein is in the foods you eat.

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    the principal source the

    lblotusbong288's picture

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