Vitamin B1 – Thiamine Function: Vitamin B1 is for the development and function of the cells in your body [3]. Sources: Thiamine is found in most foods – but it is particularly rich in brown ...

Consider getting more of an especially easily-absorbed form of vitamin B1 called benfotiamine. What is benfotiamine? Derived from thiamine, benfotiamine is a fat-soluble form of vitamin B1.

When consumed in excess, thiamine is excreted in the urine. Therefore, thiamine overdose is unlikely to occur. You may experience digestive problems, though.