Vitamin B2 is also called as__________?

Vitamin B2 is also called as__________?

A. Riboflavin
B. Thiamine
C. Ascorbic Acid
D. Niacin

Riboflavin (also known as vitamin B2) is one of the B vitamins, which are all water soluble. Riboflavin is naturally present in some foods, added to some food products, and available as a dietary supplement.