... about the special role of any vitamin in COPD could not be obtained Vitamin D and COPD Vitamin D is extremely important for the human body It has a significant role in bone mineralization, in calcium ... COPD [106] Vitamin A and B Vitamin A (retinol and carotens) plays an important role in several functions of the human body including vision, bone and skin health, and further has an innate antioxidant ... the following keywords: COPD in conjunction with smoking, gene polymorphisms, vitamins, FEV1, vitamin C, vitamin E, vitamin D, vitamin A, b-carotene, and vitamin supplements Further articles were...