Vitamin D ingredient Market, By Product Type (Vitamin D3, Vitamin D2), By Source (Milk, Eggs, Fish, Animals, Plants, Fruits, and Vegetables, Others (Microalgae, fungi, yeast, plants, etc.)), By Application (Pharmaceutical, Food, Beverage, Cosmetics, Animal Feed and Pet Food, Others), By Form (Powder, Resin, Liquid), By Region (North America, Europe, Latin America, Asia Pacific, Middle East & Africa)