<P> B vitamins are a class of water - soluble vitamins that play important roles in cell metabolism . Though these vitamins share similar names , they are chemically distinct that often coexist in the same foods . In general , dietary supplements containing all eight are referred to as a vitamin B complex . Individual B vitamin supplements are referred to by the specific number or name of each vitamin : B = thiamine , B = riboflavin , B = niacin , etc . Some are better known by name than number : niacin , pantothenic acid , biotin and folate . </P>
<P> B vitamins are a class of water - soluble vitamins that play important roles in cell metabolism . Though these vitamins share similar names , they are chemically distinct that often coexist in the same foods . In general , dietary supplements containing all eight are referred to as a vitamin B complex . Individual B vitamin supplements are referred to by the specific number or name of each vitamin : B = thiamine , B = riboflavin , B = niacin , etc . Some are better known by name than number : niacin , pantothenic acid , biotin and folate . </P>
how many types of vitamin b do we have
how many types of vitamin b do we have
eight
eight