First, ask yourself, "What food group does this item belong to?" Strawberries are fruit, thus belong to the "Vegetables and Fruit" food group. Tilapia is fish, a member of "Meat and Alternatives." Tim Tams, while sinfully delicious, have no food group to call home. Leave them on the shelf and away from your waistline.
Second, quickly scan the ingredients. It's not rocket science. Packaged items with long, convoluted ingredient lists should probably stay at the store, especially if the list contains unrecognizable chemicals that your liver will not appreciate having to deal with. A banana contains ONE ingredient. Rice cakes with natural peanut butter, TWO ingredients.
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