Whole Foods Market is a great place to get lots of speciality items, but we think you can probably skip getting these pantry staples from this store.

Costco's Kirkland Signature Imported Basil Pesto is one of its top-selling grocery items. The pesto is made with D.O.P.

Rao’s actually offers more than two dozen different red sauces, but everyone's top pick is its Homemade Marinara Pasta Sauce. The ingredient list is streamlined—just Italian whole peeled tomatoes top ...