How much vitamin D do you need daily?

Vitamin D deficiency is surprisingly common and recent research has shown its importance for supporting the immune system throughout the year.

Shop vitamin D supplement

It is estimated that 50% of the entire global population is vitamin D deficient. This calculator will help you work out roughly how much vitamin D you need daily and which vitamin D rich foods you should include in your diet.

Answer these questions to find out how much vitamin D your body needs each day

st. lbs

How long do you currently spend in strong direct sunlight each day, on average?

Answer required

How much of your skin is exposed to strong direct sunlight on an average day?

Answer required

Your results
are in

pill icon - results page

You need IU / ug of
vitamin D each day.

This equates to...

servings of salmon

servings of canned tuna

cups of whole milk

cups of soy milk

cups of almond milk

cups of orange juice

servings of portobello mushrooms

servings of pork

hard-boiled eggs

1 Vitl supplement

Your personal vitamin D dosage is based on a set of averages and estimates which should only be used as an approximation rather than an accurate quantity as there are several limitations to this calculator. These are guidelines only and may not be an accurate representation of your vitamin and mineral levels. Supplements should not be used to replace a healthy diet. Always contact a GP or medical professional for advice.