Vitamins in Vit i5
Do vitamins in Vit i5 come from yeast ?

=> No, the vitamins in vit i5 , as declared on the label, are added, the brewer’s yeast is the naturally palatable support of Vit’i5.
Vit’i5 contains vitamins of group B, which come as a bonus in addition to the indicated vitamins (there is no possible excess of vitamin Bs).