Older women with low blood levels of vitamin D may be more prone to pack on the pounds, when compared with women who have adequate vitamin D levels. Of more than 4,600 women aged 65 and older, those with insufficient levels of vitamin D in their blood gained about two pounds more than those who had adequate levels of the vitamin during a five-year study. The women with insufficient levels of vitamin D also weighed more when the study began than women with normal vitamin D levels.
