Protein Guidelines

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Proteins

Diet - protein; Complete protein; Incomplete protein

A nutritionally balanced diet provides adequate protein. Vegetarians are able to get enough protein if they eat the proper combination of plant proteins.

The amount of recommended daily protein depends upon age, medical conditions, and the type of diet one is following. Two to three servings of protein-rich food will meet the daily needs of most adults.

The following are the recommended serving sizes for protein:

• For recommended serving sizes of protein for children and adolescents, see age appropriate diet for children
• 2 to 3 ounces of cooked lean meat, poultry, and fish (a portion about the size of a deck of playing cards)
• 1/2 cup of cooked dry beans, lentils, or legumes
• 1 egg or 2 tablespoons of peanut butter, which count as 1 ounce of lean meat

Review Date: 09/02/2003
Reviewed By: A.D.A.M. editorial. Previously reviewed by Poune Saberi, M.D., M.P.H., Family Practice and Community Medicine. University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network (11/19/2001).