Look to the Food Network for the healthy items you should always keep in your kitchen cupboard. According to the site, multivitamins only go so far, so it's important to stick to real food for the necessary nutrients. The list consists of: berries, citrus, vegetables, whole grains, salmon, legumes, nuts and seeds, lean proteins, tea and olive oil. Click on each food to read about its dietary benefits and some appetizing recipes in which the ingredient is used.