Displaying 20 results of Cholesterol Impurities Cholesterol impurities are substances that can be found in cholesterol-rich foods, such as meat, eggs, and dairy products. These impurities can accumulate in the blood vessels and cause blockages, leading to heart disease and other health problems. It is important to maintain healthy cholesterol levels and limit intake of saturated and trans fats to prevent the buildup of cholesterol impurities in the body.