Is indicated the use of antioxidant supplements in patients at risk for coronary artery disease?
antioxidant supplementation 
However there are no clear evidencies on the clinical and prognostic benefit of this supplementation. 
Currently there areno recommendation for the antioxidant therapy in patients with coronary artery disease.
Currently the American Heart Association recommends consumption of a balanced diet with emphasis on antioxidant-rich fruits and vegetables but does not recommend antioxidant supplementation for the general population.