Nuts, seeds, vegetable oils and fish are rich in unsaturated fats. Common sources are avocados, olive oil, salmon, soybean oil, peanut butter, mackerel, flaxseed, sunflower oil and walnuts. More »

Unsaturated fats liquefy at room temperature, while saturated fats remain solid. Unsaturated fats have health benefits, such as lowering LDL cholesterol and raising HDL cholesterol. Saturated fats are unhealthy because t... More »

Dietary lipids include both saturated and unsaturated fats and oils. Major sources of saturated, or unhealthful, dietary fats are meat, dairy cream, coconut oil and cheese. Olives, avocados and almonds are excellent sour... More »

According to LoveToKnow, some of the foods that do not contain carbohydrates include naturally-occurring meats, oils, animal fats and salt. Butter is the only dairy product that does not contain any carbohydrates. More »

Foods low in iron include most fats and oils, soups, candies and dairy products. Citrus fruits are low in iron but contain high level of vitamin C, which increases iron absorption from other food sources. Other low-iron ... More » Health Nutrition & Diets Nutritional Content

Fats are solid at room temperature and tend to be of animal origin, though some vegetable oils are also solid at room temperature. Oils are liquid at room temperature and tend to be derived from plants, but some oils can... More »

Some examples of very low-sodium foods include grains, vegetables, low-fat dairy products, meat, poultry, fish, seeds, nuts and dry beans, according to the U.S. Department of Health and Human Services as well as Mayo Cli... More » Health Nutrition & Diets Nutritional Content