The present invention relates to ozonized vitamins, specifically to ozone addition of vitamin A, vitamin D and vitamin C. According to the present invention, the obtained ozonized vitamins prevent andtreat infectious diseases, autoimmune diseases, ischemic diseases, retinal degenerative diseases, skin diseases, lung diseases, kidney diseases, hematologic diseases, neurodegenerative diseases, cancer, orthopedic surgical diseases, back pains, chronic fatigue syndromes, trauma / burn and emergency surgery, surgery and organ transplantation, and prolapse of intervertebral disc through an oral route.