what is vitamin b2
Knowledge center. Vitamin B2, also known as riboflavin, or additive E101, is one of eight B vitamins that are essential for human health. Riboflavin can be found in grains, plants and dairy products. It is crucial for breaking down food components, absorbing other nutrients, and maintaining tissue.Vitamin B2 is a water-soluble vitamin.This means it dissolves in water. There are two types of vitamins-water-soluble and fat-soluble. Water-soluble vitamins are carried through the bloodstream, whatever is not required is eliminated in urine.itamin B2, also known as riboflavin, or additive E101, is one of eight B vitamins that are essential for human health.