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The power of protein

February 05, 2013|Lynn Little

We all need protein, but most Americans eat enough and some eat more than they need. How much protein do we really need? 

Every human cell and most fluids in our bodies contain protein. Protein is used to build muscle, to repair cells and to make new cells. It is needed to help fend off disease and assists in transporting molecules throughout the body. The amino acids that make up proteins form enzymes and hormones, each with its own unusal and essential function.

 It is important that we not only get enough, but that we also get good quality protein. Most people, ages 9 and older, should eat 5 to 7 ounces of protein foods each day. However, men and women require different amounts. The average Recommended Daily Allowance for men is 6 ounces per day and women should eat 5 ounces per day.

According to the September 2012 report in Tufts University Health and Nutrition Letter, men and women actually consume one and one-half times the recommended amount. Young children need less, depending on their age and calorie needs. Go to www.choosemyplate.gov for all the dietary protein recommendations. 

It is important to select a variety of protein foods to improve nutrient intake and health benefits, including at least 8 ounces of cooked seafood per week. All meat and poultry choices should be lean or low-fat. Vegetarian options in the Protein Foods Group include beans and peas, processed soy products, and nuts and seeds.

One problem with protein choices is that many people select ones that also include lots of saturated fat. The solution to this is two-fold: choosing to eat smaller portions and choosing options that are leaner meats, fish and poultry; low-fat dairy; and/or plant-based sources of protein.

 There are some people who are not getting enough protein. Older adults whose bodies no longer process the nutrient efficiently or who simply do not eat enough calories in a day, fall into this category. Studies have shown that this group needs to pay close attention to the quality and timing of their protein consumption. Protein can be eaten in portions throughout the day, rather than the typical large amount of protein at dinnertime. Adding an egg or some nuts at breakfast can make a substantial difference in meeting an older person's protein needs.

If a person follows a healthful eating plan it is not necessary to supplement with special protein-enhanced foods and drinks (that often cost more too). Go to www.choosemyplate.gov/food-groups/protein-foods-tips.html) for tips to Help You Make Wise Choices from the Protein Foods Group.



Lynn Little is a family and consumer sciences educator with University of Maryland Extension in Washington County.

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