What is Vitamin B12?

In short

Vitamin B12 is a water-soluble vitamin. The name refers to a group of substances called cobalamins.

What does the body need it for?

Vitamin B12 contributes to normal energy-yielding metabolism and normal functioning of the nervous system. It contributes to normal red blood cell formation and normal functioning of the immune system. It contributes to the reduction of tiredness and fatigue.

Where is it found?

• Beef (100 g)2 µg
• Emmental cheese (30 g)1 µg
• Egg (1 egg)1 µg

How much is good?

NRV (EU reference value)

2.5 µg

Too much

Maximum per daily dose (BfR)

25 µg

EFSA has not established a tolerable upper intake level. This does not mean that unlimited amounts are safe.

Other names

Cobalamin, Cobalamine, Cyanocobalamin, Methylcobalamin, Vitamin B12, Vitamina B12, Cobalamina

Source

EU Regulation 432/2012; EFSA