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High Protein Foods to Eat After Gastric Bypass Surgery

By Marcy Brinkley ; Updated August 14, 2017

Gastric bypass surgery helps patients lose weight by blocking calorie absorption and restricting stomach size, says University of Wisconsin Health. Maintain your health and avoid losing lean muscle mass during rapid weight loss by consuming 60 to 80 grams of protein every day for the rest of your life. Eat eight ounces of protein equivalents -- meat, fish, poultry, eggs, dairy and meat substitutes -- to meet this goal, recommends Highland Hospital.

Meat

A single three ounce serving of meat has about 21 grams of protein, according to the Centers for Disease Control and Prevention. Choose lean cuts of beef, lamb or pork and prepare them by grilling, roasting, microwaving or other low fat cooking methods. For variety, substitute flaky fish, including tuna, tilapia or salmon, and poultry such as turkey or chicken as your protein source. You may find it difficult to digest shrimp and other shellfish, stringy meats and dry fish.

Eggs

Substitute eggs for part of your protein foods. One serving equals one egg, two egg whites or one quarter cup of egg substitute, according to Highland Hospital. Prepare eggs without added fat by using nonstick spray in your skillet. Make an omelet of whole eggs, egg substitute or egg whites topped with spinach, onions, cheese or meat for added nutrition.

Beans and Peas

Legumes -- dried beans and peas -- provide about 16 grams of protein per cup, says the CDC. Add kidney or garbanzo beans to your salad or top brown rice with black beans. Other meatless protein sources include peanut butter, tofu and soy burgers, says Highland Hospital. While beans are high in protein, they are also high in fiber and should not be eaten until you have progressed to regular food, according to DukeHealth.org.

Milk Products

Dairy products provide both protein and calcium, but choose the nonfat versions to avoid consuming too many calories. One cup of nonfat milk provides 11 grams of protein and a serving of sugar-free, nonfat yogurt provides 8 grams, according to the CDC. Avoid full fat cheese in favor of one ounce of low fat or part-skim milk cheese, suggests Highland Hospital. Mix 1/4-cup of fat-free or low fat cottage cheese with crushed pineapple for an easy breakfast or lunch, or top a small baked potato with cottage cheese instead of butter.

Protein Shakes

Until your pouch matures, you may have difficulty eating enough solid food to meet your daily protein goals. Protein shakes made of powdered protein and liquids such as water, milk soy milk, almond milk or yogurt provide a convenient way to add protein to your diet. When choosing a protein powder, look for one that offers at least 15 grams of protein per serving and no more than 5 grams of fat and 5 grams of sugar, recommends Highland Hospital. Add fruit and flavorings for variety, as desired, but plan your meals to avoid adding too many calories.

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