Vitamin B2, also called riboflavin, slightly soluble in water,heating in neutral or acidic solutionis stable. when the lack of B2, will affect the body's biological oxidation, and make themetabolic disorder. Without riboflavin, the other B vitamins,especially niacin (vitamin B3) andpyridoxine (vitamin B6),cannot do theirjob, and ahost of chemical processes necessary tokeep the body alive would come to a grinding halt.