Macdonald HM, Wood AD, Aucott LS, Black AJ, Fraser WD, Mavroeidi A, Reid DM, Secombes KR, Simpson WG, Thies F.J Bone Miner Res. 2013.

Vitamin D3 (Pure Encapsulations) in a daily dose of 1000 IU, but not 400 IU, attenuated bone mineral density loss over 1 year in post-menopausal women.