A Middle aged woman presents with fissures in mouth, tingling sensation and peripheral neuropathy. Investigations showed reduced glutathione reductase activity. which vitamin deficiency is the likely cause of this?

Ans: B. Vitamin 82Ref: Harper's illustrated biochemistry, 3Oh ed., pg. 556Deficiency of riboflavin (vitamin B2) is characterized by cheilosis, desquamation and inflammation of the tongue, and a seborrheic dermatitis.