Effect of Cranberry Juice on Endothelial Function

Inclusion Criteria: * Coronary artery disease Exclusion Criteria: * Pregnant and lactating women * Clinical history of other major illness including end-stage cancer, renal failure, hepatic failure, gastrointestinal disorders that may impair absorption, or other conditions that in the opinion of the principal investigator make a clinical study inappropriate * Treatment with an investigational new drug within the last 30 days * History of a psychological illness or condition such as to interfere with the subject's ability to understand the requirements of the study. * Treatment with Vitamin E, Vitamin C, beta carotene, lipoic acid, or other food or herbal supplements within 2 weeks of enrollment (subjects taking multivitamins or other forms of vitamin E and C in doses that do not exceed two times the RDA will not be excluded).