Do you recommend osteoporosis medication in postmenopausal females on anastrozole with very low Vitamin D (4.5)?

A vitamin D level of 4 is very low and should be corrected before any osteoporosis therapy is considered. Severe low D is associated with decreased Ca absorption and sometimes low serum Ca. Giving an anti-resorptive could result in hypocalcemia. Sometimes D levels that low are associated with muscul...