Just got my 25(OH)D3 result back, 124ng/ml. Bit on the high side so I'll back off from 12,000 iu a day to 9,600 iu for the rest of the winter and maybe do 7,200 iu/d if I get some sun this summer... Roll on
EDIT: Ionised calcium 1.16mmol/l, normal range 1.12-1.37. No suggestion of hypercalcaemia.