Question

Cracking of the skin around the mouth and inflammation of the tongue are both symptoms of a deficiency of this B vitamin.

a) Niacin (B3)
b) Riboflavin (B2)
c) Thiamin (B1)
d) Cobalamin (B12)

Answer 1

The symptoms of cracking of the skin around the mouth and inflammation of the tongue are characteristic of a deficiency in Riboflavin (B2).

Step-by-step explanation:

The symptoms of cracking of the skin around the mouth and inflammation of the tongue are characteristic of a deficiency in Riboflavin (B2)

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