Why are partially hydrogenated fats and trans fats bad for my health?
Brian Tanzer
Nutrition & Dietetics

The human body has absolutely no beneficial use for the types of fats (trans-fats) found in foods that contain partially hydrogenated oils. Unlike other fats such as monounsaturated fat (olive oil, almonds, avocados, etc.), polyunsaturated fats (including both omega-3 and omega-6 fats as found in fish, flaxseed, non-hydrogenated vegetable oils, etc.) and to saturated fats (as found in butter, milk, meat, etc.) are the main types of fats found in the body. These other fats have specific structural and functional roles due to their natural chemical structure. When an oil is partially hydrogenated it creates fats (trans-fats) with an unusual chemical structure; one which causes the body to have a difficult time metabolizing and utilizing. Try your best to avoid those foods that contain partially hydrogenated oils as the have also been shown to increase total and lDL ("bad") cholesterol levels. Both are risk factors for cardiovascular disease.

Continue Learning about Fats


At 9 calories per gram, fats can add up quickly in your diet, yet experts recommend that you get only 7% of your calorie intake from fat. Fats also affect your cholesterol, and there are both good and bad fats. The best kind of fa...

ts are called unsaturated fats, and can be found in oils like olive and canola oils, nuts and seeds. These fats can help your body get rid of cholesterol. Saturated fats often have had hydrogen added to them to make them more solid. Other saturated fats are found in cream, butter and meats. They can raise your blood cholesterol. Its wise to learn which is which and check nutrition labels to make proper choices.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.