This review briefly summarizes the scientific evidence for a possible
role of antioxidants in the prevention of coronary heart disease (CHD)
. Antioxidants in our diet include vitamins E, C, and beta-carotene, w
hereas selenium is an integral part of the anti oxidant enzyme glutath
ione peroxidase (GSHPx). Experimental evidence suggests that free-radi
cal damage and antioxidant defence may play an important role in the d
evelopment of coronary heart disease. Epidemiological studies have pro
duced some intriguing results, but have not indicated unequivocally th
at a high intake of antioxidants leads to a decreased cardiovascular d
isease risk. We conclude that the antioxidant atherosclerosis hypothes
is is promising, but that the results of long-term intervention studie
s are still to be awaited. Preventive action based on antioxidant supp
lementation is therefore not justifiable as yet. Nevertheless, the fin
dings so far certainly do support the recommendations for a varied die
t rich in vegetables and fruit.