Vitamin-Bl is named so because
(A) First to be discovered in B complex vitamins > Thiamine was the first of the water-soluble vitamins to be described, leading to the discovery of more such trace compounds essential for survival and to the notion of vitamin.
First to be discovered in B complex vitamins
First to be classified in B complex vitamins
Most important vitamin for the body
None of the above
Miscellaneous (Bio-Chemistry)