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The Food Exchange System provides a quick way to estimate energy (calories), carbohydrates, protein and fat content in any food or meal.
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Food from each exchange (starch, meat & meat substitute, fruit, vegetable, milk and fat) is defined so that one serving of each food contains the same amount of carbohydrate, protein, fat and energy (calories).
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Free foods contain fewer than 20 calories per serving and less than 6 grams of carbohydrate per serving. Many vegetables are considered "free" foods, such as lettuce, spinach, cabbage, cucumbers and zucchini.
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Moderation is the key.
Eight (8) servings of a free food (160 calories) is equivalent to one English muffin.
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