Question: Vitamin D is commonly derived from sheep wool.  Is this halal to consume? Answer: Bismihi Ta’ala Vitamin D supplements are available in two forms, D2 (ergocalciferol) and D3 (cholecalciferol). Vitamin D2 is manufactured by the UV irradiation of ergosterol in yeast, while vitamin D3 is traditionally manufactured by the irradiation of 7-dehydrocholesterol from lanolin and the chemical conversion of cholesterol. Plant-based sources for vitamin D3 are also now available. Lanolin is extracted from the wool of sheep. Can Muslims consume vitamin D supplements that are derived from lanolin? Sheep wool is considered to be pure, therefore the topical use and … Continue reading Vitamin D