http://www.ncbi.nlm.nih.gov/pubmed/15531665
Am J Clin Nutr. 2004 Nov;80(5):1194-200.
Does supplemental vitamin C increase cardiovascular disease risk in women with diabetes?
CONCLUSION:
A high vitamin C intake from supplements is associated with an increased risk of cardiovascular disease mortality in postmenopausal women with diabetes.
I don't get this "study?, is this even true?>