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Nutrient guide

Vitamin D

The body mainly makes vitamin D with sunlight. From October to March, the sun in Germany is not strong enough.

Keep an eye on it with a plant-based dietKeep an eye on it when eating animal products

What the body needs it for

  • Bones and teeth, together with calcium
  • Muscle function
  • Immune system

How much you need

Without own production: 20 µg (800 IU) per day (DGE). Many people need more in winter – ideally check your blood level.

Good plant sources

  • Sun (April to September)
  • Vitamin D3 supplement from lichen
  • UV-exposed mushrooms

How to make the most of it

  • In summer, 5 to 25 minutes of sun on face, hands and arms several times a week.
  • Take vitamin D with a meal containing some fat.
  • Everything about winter dosing is in the blog article.
Read the vitamin D in winter article

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Reference values according to the German Nutrition Society (DGE) for adults unless stated otherwise. DGE reference values