New vitamin D guidelines for North West London. Note that for rapid correction, Fultium 20,000 iu, twice weekly for 7 weeks. Alternative for vegetarians is Invita D3, 25,000iu/1ml (drinkable ampule) – 2 ampules for 6 weeks.
Check serum adjusted calcium 4 weeks after treating with loading doses of vitamin D (rapid correction) as vitamin D repletion may unmask primary hyperparathyroidism. Routine vitamin D re-testing is not required.
Click here for guidelines – Which Vitamin D Product When May 2015