There are many different types of vitamin B.
This section has information on:
Thiamin, also known as vitamin B1, helps:
Thiamin is found in many types of food.
Good sources include:
The amount of thiamin adults (aged 19 to 64) need is:
You should be able to get all the thiamin you need from your daily diet.
Thiamin cannot be stored in the body, so you need it in your diet every day.
There's not enough evidence to know what the effects might be of taking high doses of thiamin supplements each day.
You should be able to get all the thiamin you need by eating a varied and balanced diet.
If you take supplements, do not take too much as this might be harmful.
Taking 100mg or less a day of thiamin supplements is unlikely to cause any harm.