What is Vitamin B1 (thiamin)?

In short

Thiamin is a water-soluble vitamin. Your body cannot make it and gets it from food.

What does the body need it for?

Thiamin contributes to normal energy-yielding metabolism and normal functioning of the nervous system. It contributes to normal psychological function and normal function of the heart.

How much is good?

NRV (EU reference value)

1.1 mg

Too much

Maximum per daily dose (BfR)

4 mg

No tolerable upper intake level has been established for thiamin because there are insufficient data. This does not mean that unlimited amounts are safe.

Other names

Thiamin, Thiamine, Vitamin B1, Vitamin B₁, Vitamina B1, Tiamina

Source

EU Regulation 432/2012; EFSA: overview of tolerable upper intake levels for vitamins and minerals