Vitamin D is a fat soluble vitamin that regulates amount of calcium and phosphate in the body – necessary to maintain normal calcification of skeleton and bone mineralisation. ðĶī âĢ âĢ ððĻðŪðŦðððŽ: ððŪð§ðĨðĒð ðĄð âïļ ððĒðð ð âĢ âĢ âïļ Difficult…