According to Holland and Barrett, you can find plant-based sources of B12 too.
These include yeast extract, fortified plant milks, fortified breakfast cereals and soya foods fortified with B12.
How to treat B12 deficiency
The treatment for vitamin B12 deficiency depends on what’s causing the condition.
Most people can be easily treated with injections or tablets to replace the missing vitamins.
This story originally Appeared on Express.co.uk