Associations of diet , supplement use , and ultraviolet B radiation exposure with vitamin D status in Swedish women during winter 1 , 2

Background: Vitamin D is produced endogenously after sun exposure but can also be obtained from natural food sources, food fortification, and dietary supplements. Objective: We aimed to determine the vitamin D status of women (61–86 y old) living in central Sweden (latitude 60°) during winter and its relation with vitamin D intake and exposure to… CONTINUE READING