The Avoid List:
Aniaml Fats - Maybe you grew up with a jar or can of bacon grease that was used for frying everything from chicken to potatoes. Not a good idea.
Blended Vegetable Oils - Most commercial vegetable oils are a mixture of unidentified oils that have been extracted with chemicals.
Vegetable Shortenings - Usually made with partially hydrogenated oils, shortenings are high in trans fats. Remember, they are considered the unhealthiest of all fats.
Chemically Extracted Oils - Though Hexane is under study, other methods of extraction, like cold-pressing, are more natural.
Oils High in Polyunsaturates - Polyunsaturates, like sunflower, safflower, corn, cottonseed, and soybean oils are not bad guys. It’s just that they contain high levels of omega-6 fattly acids. (see the ToBuy List below). Most Americans already get too much omega-6 fatty acids from egg yolks, meats and animal-based foods. We probably need more omega-3 fats, found in some fish, like ssalmon, mackerel, halibut, sardines, tuna, and herring, and in some seeds, nuts and beans, like flaxseed, canola and soybean oils, pumpkin seeds, walnuts, and walnut oil.