Products Ergocalciferol (vitamin D2, calciferol) is commercially available in many countries, including as a dietary supplement in the form of capsules. Vitamin D2 is much less commonly used than cholecalciferol (vitamin D3) in many countries. In the United States, on the other hand, ergocalciferol is more traditionally used. Structure and properties Ergocalciferol (C28H44O, Mr = … Ergocalciferol (Vitamin D2)
Products Alfacalcidol is commercially available in Germany in the form of soft capsules, drops, and as a solution for injection (e.g., EinsAlpha). It is not registered in many countries. Structure and properties Alfacalcidol (C27H44O2, Mr = 400.6 g/mol) corresponds to 1-hydroxycholecalciferol. It is in the form of white crystals and is practically insoluble in water. … Alfacalcidol
Products Calcifediol was approved in the United States in 2016 and in many countries in 2020 in extended-release capsule form (Rayaldee). Structure and properties Calcifediol (C27H44O2, Mr = 400.6 g/mol) is a hydroxylated derivative of vitamin D3 (cholecalciferol). It is 25-hydroxycholecalciferol or 25-hydroxyvitamin D3. Calcifediol is present in the drug as calcifediol monohydrate, a white … Calcifediol
Products Calcitriol is commercially available in the form of capsules (e.g., Rocaltrol) and as an ointment for psoriasis (Silkis). The active ingredient has been approved in many countries since 1978. The oral solution has been off the market since 2012. The active ingredient content could not be ensured until the end of the shelf life. … Calcitriol Effects and Side Effects
Products Vitamin D is available in many countries from various suppliers as a dropper solution or as an oral solution (e.g., Streuli, Wild, Burgerstein, Drossapharm). Structure and properties The preparations contain the precursor cholecalciferol (C27H44O, Mr = 384.6 g/mol). Vitamin D3 exists as white crystals that are practically insoluble in water and soluble in fatty … Vitamin D for Infants and Young Children
Products Cholecalciferol (colecalciferol) is commercially available as a monopreparation as an alcoholic or oily-based solution and in tablet and capsule form. Numerous combination preparations with other vitamins and minerals, and especially with calcium, are available. Cholecalciferol has been approved in many countries since 1938 and is also available as a dietary supplement. See also vitamin … Cholecalciferol (Vitamin D3)
