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The question: In the winter, I eat oatmeal in the morning, soup at lunch. Do I need solids in there?

The answer: I do recommend that you add a source of protein to your meals. Protein helps slow digestion and keeps you feeling satisfied and energetic longer after eating. Protein-rich foods like meat, fish, poultry, dairy, eggs and legumes also supply the body with amino acids, key components used to build and repair muscles, connective tissue, hormones, enzymes and immune compounds. If your diet is chronically low in protein, protein building and repair will slow down.

How much protein you need each day depends on your age, body weight and activity level. If you are sedentary, you need roughly 0.4 grams of protein per pound of body weight. After the age of 50, I recommend a protein intake of 0.45 to 0.55 grams of protein per pound body weight to slow age-related muscle loss.

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Regular cardiovascular and resistance exercise increase daily protein needs to repair muscle damage that occurs during exercise and to support muscle building.

If you include regular cardiovascular exercise in your routine – e.g. running, power walking, biking, hiking, aerobics classes – you need 0.55 grams of protein per pound per day. Regular strength exercise can increase your protein requirements to 0.55 to 0.8 grams of protein per pound per day.

Use the list below to see how much you need to eat to meet your daily protein requirements.

Protein content of selected foods

Protein (grams)

Meat, 3 ounces 21-25

Poultry breast, 3 ounces 25

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Salmon, 3 ounces 19

Tilapia, 3 ounces 22

Tuna, 2 ounces (about ½ can) 15

Egg, 1 whole, large 6

Egg, 1 white, large 3

Milk, 1 cup 8

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Yogurt, plain, ¾ cup 10

Yogurt, Greek, ¾ cup 18-21

Cheese, hard, part skim, 1 ounce 7

Black beans, cooked, ¾ cup 11.5

Lentils, cooked, ¾ cup 13.4

Soybeans, cooked, ¾ cup 21.5

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Soy nuts, 2 tbsp. 7

Soy burger, 1 12

Tofu, firm, ¾ cup 30

Almonds, ¼ cup 7.5

Here are a few suggestions to add protein to your diet:

•Add ¾ cup yogurt or 1 cup of milk or soy beverage to breakfast. Each will provide about 8 grams of protein. Greek yogurt has 18 to 21 grams of protein per ¾ cup serving.

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•Include a protein-rich morning and afternoon snack such as ¼ cup of nuts, 1 ounce part skim cheese, yogurt or one hard-boiled egg. Pair one of these choices with fruit.

•Include protein at lunch. Make sure your soup has protein – beans, lentils, chopped firm tofu, chicken or lean meat.

•Depending on your protein requirements, include 21 to 30 grams of protein at dinner.



Send dietitian Leslie Beck your questions at dietitian@globeandmail.com. She will answer select questions, which could appear in The Globe and Mail and/or on the Globe website. Your name will not be published if your question is chosen.

Read more Q&As from Leslie Beck.

Click here to see Q&As from all of our health experts.

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The content provided in The Globe and Mail's Ask a Health Expert centre is for information purposes only and is neither intended to be relied upon nor to be a substitute for professional medical advice, diagnosis or treatment.

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