MacDonald, H. M.Gryka, A.Tang, J. C. Y.Aucott, LornaFraser, W. D.Wood, A. D.2018-09-142018-09-142017-12MacDonald, H M, Gryka, A, Tang, J C Y, Aucott, L, Fraser, W D & Wood, A D 2017, 'Longevity of daily oral Vitamin D3 supplementation : differences in 25OHD and 24,25(OH)2D observed 2 years after cessation of a 1-year randomized controlled trial (VICtORy RECALL)', Osteoporosis International, vol. 28, no. 12, pp. 3361-3372. https://doi.org/10.1007/s00198-017-4201-20937-941XORCID: /0000-0001-6277-7972/work/84132204http://hdl.handle.net/2164/11108This work was funded partly by the UK Food Standards Agency, and the Department of Health . Any views expressed are the authors own. Original trial registration: Vitamin D effects on cardiovascular disease risk (VICtORy) study at controlled̺trials.com as ISRCTN20328039 (http://controlled̺trials.com/ISRCTN20328039/). We wish to thank all the women volunteers taking part in this study; Karen Secombes, Minimol Paulose and Jenny Scott for assistance with venesection; Martin Allen, Health Protection Agency, Cambridge for help in standardising the UVA badges; Maciej Gryka for creating the algorithms used to extract the data from the UVA badges; and Hamish Macdonald for assistance in generating the figures.12490647engDaily vitamin D25-hydroxyvitamin D24,25-dihydroxy vitamin DRCTlongevitypostmenopausal womenR Medicine (General)R1Journal article10.1007/s00198-017-4201-2http://rdcu.be/vTxC2812