The authors cautioned, however, that pellagra may reflect an extreme deficiency of niacin complicated by deficiencies of other vitamins and minerals such as riboflavin, magnesium, and zinc.
Dawson, W. Kretsch, P. Endothelial dysfunction is implicated in many aspects of vascular diseases. Leukocyte ascorbic acid levels were found to be lower in the patients with coronary artery disease.
Metabolic changes precede clinical manifestations. Peterson, V. Biotin What is Biotin. Vanderjagt, and W. More commonly, vitamin C deficiency presents as a secondary deficiency in alcoholics, the elderly, and in smokers.
Risch and colleagues analyzed vitamin C intake from 21 common vegetables along with the intake of nitrate and found that vitamin C consumption had a strong and highly protective effect.
Acta Paediatr. Nutritional status in a healthy elderly population: vitamin C. Roch, and E.