Commonly referred to as vitamin B complex, these are water soluble vitamins, several of which are deemed extremely important for carbohydrate metabolism. The most important types, their functions and sources are:-

B1 or Thiamine helps in the conversion of carbohydrate into energy. Thiamine also regulates the functioning of the heart and formation of healthy nerve cells. Lack of this vitamin can cause beri beri. Although many foods have thiamine, few provide it in the concentrated amounts required by the body. Rich sources of Thiamine are pork, liver, heart and kidney meat, brewer