In an open letter being sent to world governments on 21st December 2020, 120 health science and medical experts from UK, US, and Europe says, there is clear scientific evidence that vitamin D reduces Covid-19 infections, hospitalisations, and deaths.
When it comes to COVID-19, having vitamin D levels above traditionally considered sufficient may lower the risk of infection, People who died from COVID-19 at the hospital, are more likely to have lower vitamin D levels than those who survived.
Spanish researchers tested how prescription vitamin D could affect people hospitalized with COVID. In the 50 who received vitamin D, only one needed the ICU, and none died, And among 26 patients, who did not receive vitamin D, 13 needed ICU care, and two died.
It significantly decrease the need to admit COVID-19 patients to ICU. Recent studies conclude that, vitamin D can reduce risk of developing COVID-19, as well as decrease the severity of the illness.
In times like these, it is more important than ever to know, what is in our bodies.
Experts say vitamin D boosts the immune system, which can help fight off ailments such as COVID-19.
Vitamin D supplement can also protect you from contracting SARS-CoV-2, the virus that can cause COVID-19, And may reduce the severity of illness, even if you test positive for COVID-19.
Recent meta-analysis of 40 research studies found that, Daily long-term doses of vitamin D, seemed to protect against acute respiratory infections. These all findings appear to support a role of vitamin D status in COVID-19 risk.
The vitamin is accessible to people through some foods, supplements, and even sunshine. Supplements
can help reduce the risk of respiratory infection.
Here are 7 healthy foods that are high in vitamin D.
1. Salmon.
Salmon is a popular fatty fish and great source of vitamin D.
Whether the salmon is wild, or farmed, can make a big difference.
Wild salmon contains about 988 IU of vitamin D per serving, while farmed salmon contains 250 IU on average. That’s 124% and 32% of the DV respectively.
2. Herring and Sardines.
Herring is a fish eaten around the world, It can be served raw, canned, smoked, or pickled.
This small fish is also one of the best sources of vitamin D.
Herring contains 216 IU of vitamin D per 100-gram serving. Pickled herring, sardines, and other fatty fish such as halibut, and mackerel, are also good sources.
3. Cod liver oil.
Cod liver oil is a popular supplement, If you don’t like fish, taking cod liver oil can be key to obtaining certain nutrients, that are unavailable in other sources.
Cod liver oil is likewise a fantastic source of vitamin A, with 150% of the DV in just one teaspoon (4.9 ml). However, vitamin A can be toxic in high amounts. Therefore, be cautious with cod liver oil, making sure to not take too much.
In addition, cod liver oil is high in omega-3 fatty acids, which many people are deficient in.
4. Canned tuna.
Many people enjoy canned tuna , because of its flavor and easy storage methods.
It is also usually cheaper than buying fresh fish,
Canned light tuna packs up to 268 IU of vitamin D in a 100-gram serving, which is 34% of the DV.
It is also a good source of niacin and vitamin K.
5. Egg yolks.
People who don’t eat fish should know that, seafood is not the only source of vitamin D, Whole eggs are another good source, as well as a wonderfully nutritious food.
While most of the protein in an egg is found in the white. the fat, vitamins, and minerals are found mostly in the yolk.
One typical egg yolk contains 37 IU of vitamin D, or 5% of the DV,
Eggs from commercially raised hens, contain only about 37 IU of vitamin D per yolk. However, eggs from hens raised outside or fed vitamin-D-enriched feeds, contain much higher levels.
6. Mushrooms.
Excluding fortified foods, mushrooms are the only good plant source of vitamin D. Like humans, mushrooms can synthesize this vitamin when exposed to UV light.
However, mushrooms produce vitamin D2, whereas animals produce vitamin D3.
Though vitamin D2 helps raise blood levels of vitamin D, it may not be as effective as vitamin D3.
On the other hand, commercially grown mushrooms are often grown in the dark and contain very little D2.
Certain brands are treated with ultraviolet light, These mushrooms can provide 130–450 IU of vitamin D2 per 100 grams.
7. Fortified foods.
Natural sources of vitamin D are limited, especially if you are vegetarian or don’t like fish!
Fortunately some food products that don’t naturally contain vitamin D are, fortified with this nutrient.
Foods such as cow’s milk, soy milk, orange juice, cereals, and oatmeal are sometimes fortified with vitamin D, These contain 54-136 IU per serving. Stopping the covid-19 spread should starts with you, Wear a mask, wash your hands frequently, and maintain safe distance.
Reference:
https://vitamindforall.org/letter.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7456194/
https://www.medrxiv.org/content/10.1101/2020.07.14.20152728v1
https://www.sciencedaily.com/releases/2021/03/210322175028.htm
https://www.uchicagomedicine.org/forefront/coronavirus-disease-covid-19/vitamin-d-covid-study
https://www.newindianexpress.com/nation/2020/dec/31/vitamin-d-inexpensive-low-risk-and-can-strengthen-immune-response-to-covid-19-experts-2243637.html
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