Two effect of problem vitamin D deficiency of people live in urban areas and postmenopausal women. To start with , vitamin D deficiency can cause lead to Osteoporosis .Osteoporosis is a bone disease affecting the bone structure and strength of bone and osteoporosis is mainly found in menopausal woman since the age of 60 years because When lack of vitamin D can cause a condition of estrogen decrease back down which the hormone estrogen is important to bone greatly for menopausal women because inhibit bone decay pull calcium to repair bone building stronger.