Dr. Larson offers this substitution list for common pantry staples:

• Use extra virgin olive oil and canola oil instead of vegetable oil (such as corn oil or "pure" vegetable oil).
• Buy salad dressings with extra virgin olive oil or canola oil instead of vegetable oil.
• Buy pasta sauces made with extra virgin olive oil.
• Buy whole-wheat/whole-grain flour instead of white/bleached flour.
• Buy brown rice instead of white rice.
• Buy whole grain pasta instead of white pasta.
• Buy whole-grain bread and whole-grain crackers instead of bread and crackers made with white/bleached flour.
• Look for cereals containing at least 2 to 3 grams of fiber per 25 grams of carbohydrates.
• Buy old-fashioned oats verse instant oats or packaged oatmeal with added sugars.
• Buy all-fruit preserves instead of jelly made with high-fructose corn syrup.
• Buy all-natural peanut butter instead of peanut butter made with hydrogenated or partially hydrogenated oils.
• Buy all-natural packaged snacks (such as granola bars) and avoid products made with hydrogenated or partially hydrogenated oils.