KnowraErgocalciferolLinked fromLinked fromThe 4 pages that link to Ergocalciferol, each with the reason it gives.All 4Broader topic 3Compared with 1Vitamin DBroader topic: It is the other major vitamin D form, commonly supplied by fortified foods and supplements.ErgosterolBroader topic: Further rearrangement of the photoproduct yields vitamin D₂.Adolf WindausBroader topic: Windaus’s investigations connected irradiated ergosterol with this vitamin.