The effect of vitamin D deficiency of the Thai can cause disease in the body. Vitamin D deficiency cause osteoporosis because vitamin D helps strengthen bones and teeth strong absorption of calcium and phosphorus in the strength of bone.The osteoporosis is mainly found in menopausal women since the age of 60 years because the bone is reduced during the 5 years after menopause that the main causes of osteoporosis in menopausal women are anovulatory menstrual cycles, premature menopause and no exercise.