Phytosterols are natural elements of many vegetables and grain. Phytosterols help cholesterol levels by blocking the absorption of cholesterol and phytosterols support the cardiovascular system. Phytosterols are not often received in large enough quantities in most diets. High amounts of phytosterols can be found in peanuts, wheat germ, soybeans, rice bran and corn oil. WebVitamins offers numerous phytosterol supplements to fulfill individual needs.