Science-Based Nutrition Dietary Supplement Helps Maintain Normal Levels of Cholesterol In Healthy People Not Suitable for Vegetarians SytrinolSytrinol is a formula derived from citrus and palm fruit extracts. It is a combination of citrus flavonoids and palm-sourced tocotrienols that can exert potent antioxidant effects. Sytrinol may have its major effect in the liver by acting there to balance the production of cholesterol. Research shows that it may be beneficial in helping to maintain normal cholesterol levels in healthy people.