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Vitamin D at the forefront of the fight against Covid-19

During the Covid-19 pandemic, they are read in all colors. There are those who offer bizarre treatments based on strange foods. There are those who offer magic ointments, others who spread real fake news just for the sake of creating havoc.

Several weeks ago, news began to circulate that Vitamin D could play a role in the fight against the virus, but the news was viewed with suspicion by the world scientific community. But now an Anglo-Saxon study confirms the validity of the thesis.

Vitamin D

Vitamin D is fundamental in the human body for an efficient intestinal absorption of the two minerals responsible for the formation of bones and teeth: calcium and phosphate. It is present in large quantities in some fish, such as salmon and sardines, and in fatty foods, such as butter and cheeses. If dosed in the correct way, it can prevent osteoporosis, and plays a coordinating role for white blood cells, protecting from external infections. In fact, it seems that it also prevents the release of inflammatory cytokines, which represents an aggravation cause in Covid-19 patients.

Foods containing Vitamin D
Foods containing Vitamin D.
Credits: Farmaè

The relationship between Vitamin D and SARS-CoV-2

A study published in the prestigious magazine Aging Clinical and Experimental Research shows how in Europe there is a strong correlation between low vitamin D levels and mortality rate. The work was done by researchers from the Anglia Ruskin University of Cambridge and the Queen Elizabeth Hospital from London.

Scientists have analyzed the situation of Italy and Spain, where the mortality rate is among the highest in the world, and they have shown how Italians and Spaniards have, on average, lower vitamin D levels than other Northern European countries. The values ​​are 26 nanomoles per liter (nmol / L) in Spain, 28 in Italy and 45 in the northern countries.

Why are the vitamin D values ​​so different?

It seems that this difference is due to exposure to sunlight. While in the south people tend to protect themselves from the sun, especially in the summer months, the inhabitants of countries like Sweden and Denmark willingly accept being in the sun, which brings with them generally not too high temperatures. Solar radiation brings benefits because it stimulates the production and release of the vitamin in the human body.

A previous study had shown how over 75% of healthcare workers and inmates in homes for the elderly had a deficiency in terms of vitamin D.

Is this a SARS-CoV-2 cure?

Absolutely not! The intake of vitamin D does not in any way constitute a cure or an immunization for the new Coronavirus, but it can certainly provide excellent health conditions thanks to which the virus can lose its effectiveness, finding numerous difficulties to reproduce in the human body.

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