Use our aisle-by-aisle grocery store guide to fill your cart with healthier foods every week! Pages 5 of 11 See All Aisle 4: Staples Reach for: Olive oil or canola oil The payoff: Use these in your cooking for a dose of good-for-you monounsaturated fats. Plus, making these oils part of your diet gives you more omega-3s, which help keep your ticker happy. Pages 5 of 11 See All