Vitamin D deficiency recently showed signs that it can pose risks of contracting COVID-19, so you might want to know which foods can help you avoid it.

Other than COVID-19 risks, Vitamin D deficiency also poses risks to bone strength and other health problems.

While the vitamin can be produced by the human body through sunlight exposure, about 40% of Americans still lack it, Insider said. This is where Vitamin D rich foods can help.

Here are five foods that can help you fight Vitamin D deficiency:

Salmon

Salmon is a very common fish, and it is also packed with vitamin D. According to the U.S. Department of Agriculture, three ounces of it contains 375 international units (IU) of vitamin D.

The best choice is wild-caught salmon as it has an added boost of nutrition. A 2007 study in the Journal of Steroid Biochemistry and Molecular Biology found that this kind of salmon had an average of 988 IU. Meanwhile, farmed salmon has only 240 IU on average.

One large egg with yolk has about 44 IU of Vitamin D, 6% of the recommended daily value.

You don't have to worry about the egg yolk affecting your cholesterol levels.

"We've studied eggs for the last 60 years and can note that the yolks are not known to raise cholesterol," Rissetto said.

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