ABSTRACT:Numerous recent reports on the use of high‐dosage vitamin C in the treatment of the sick, injured, and convalescent have created a renewed interest in therapeutic nutrition. This article reviews the metabolism of vitamin C, its role in the maintenance of optimal health, the consequences of vitamin C deficiency, and the need for therapeutic diets in homes and hospitals. Also discussed are modern concepts of the body's adaptation to emotional and physical stress, the effect of stress on aging, and the role of vitamin C in the etiology and treatment of specific disease syndromes, e.g., the common cold, atherosclerosis, nutritional encephalopathies, low‐back pain, surgical stress, hemorrhage, and shock. A new, practical method (Cevi‐Bid sustained medication capsules) is described for maintaining therapeutic levels of vitamin C in the