Can taking vitamin D reduce the risk of coronavirus (Covid-19)?

There have been some reports about vitamin D reducing the risk of coronavirus (Covid-19). But there is currently not enough evidence to support taking vitamin D to prevent or treat coronavirus.

However it's important to take vitamin D as you may have been indoors more than usual in 2020/21.

You should take 10 micrograms (400 IU) of vitamin D a day between October and early March to keep your bones and muscles healthy.

Good sources of vitamin D

From about late March/early April to the end of September, most people should be able to get all the vitamin D they need from sunlight. Vitamin D is also found in a small number of foods such as:

  • oily fish (salmon, sardines, herring and mackerel)
  • red meat
  • liver
  • egg yolks
  • fortified foods – such as some fat spreads and breakfast cereals
  • another source of vitamin D is dietary supplements.

In the UK, cows' milk is generally not a good source of vitamin D because it is not fortified, as it is in some other countries.

Further information about Vitamin D can be found on the NHS website.

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