All B vitamins help the body convert food (carbohydrates) into fuel (glucose), which is used to produce energy. These B vitamins, often referred to as B complex vitamins, also help the body metabolise fats and protein. B vitamins also assist in many systems of the body including the nervous and the immune systems.

Vitamin B1 (thiamine)
Vitamin B1, also called thiamine, is a water-soluble vitamin, and is one of 8 B vitamins…