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Published on June 2, 2021

New Study Finds 84% Lower Risk of Death for Hospitalized COVID-19 Patients Receiving Vitamin D Treatment vs No Vitamin D

Decades of research has demonstrated how the immune system relies on vitamin D, for both innate and adaptive immune function. Without enough vitamin D available, especially during certain acute respiratory infections, the immune response can become hindered, leading to an increased risk of severe symptoms, complications, and death. Since the main source of vitamin D is UVB from sunshine, those who do not get enough mid-day sun exposure or who do not take a vitamin D supplement have a high risk of vitamin D deficiency. In fact, approximately 90% of the adult population in the United States has a vitamin D level below the scientists’ recommended 40-60 ng/ml (100-150 nmol/L).

The Body’s Demand for Vitamin D Increases during Acute Infections

A case study on the rise and fall of vitamin D throughout the day demonstrated not only that 25(OH)D levels fluctuate throughout the day and peak at mid-day, it also showed how vitamin D levels dropped just before an acute respiratory infection, even with consistent supplementation. This indicates the body’s increased demand for and use of available vitamin D (in the form of 25(OH)D) during the immune response.

25(OH)D3 (or calcifediol) is the form of vitamin D that is measured in the blood, after the vitamin D3 from the sun or diet has been converted within the liver. During a severe immune attack, when the need for vitamin D increases, waiting for the body to convert vitamin D3 to 25(OH)D3 may not be suitable for those who are vitamin D deficient, therefore 25(OH)D3 itself can be given in order to raise the blood levels more quickly.

Calcifediol Treatment for COVID-19 Shows More Promising Results

A pilot study on vitamin D and COVID-19, published by Castillo et al., found that the administration of 25(OH)D at the early stages of COVID-19 significantly reduced the need for admission to the intensive care unit (ICU), regardless of existing comorbidities, with no deaths in the treatment group compared to two deaths in the non-treatment group.

The same team of researchers performed a larger follow-up study, published by Alcala‐Diaz et al., to look at the mortality rate during the first 30 days after admission of patients receiving vitamin D treatment (in the form of calcifediol) in combination with the standard of care, compared to patients receiving only the standard of care. Patients who received the vitamin D treatment were given two capsules of 0.266 mg calcifediol upon admission, followed by one capsule on days 3, 7, 14, 21 and 28. There were a total of 537 patients included in the study, of which 79 received vitamin D treatment.

What did the study find?

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The overall 30-day in-hospital death rate was 17.5%. The chart above shows the unadjusted, raw data, where the mortality rate among those receiving the vitamin D treatment was 5% compared to a mortality rate of 20% among those not receiving vitamin D (OR=0.22, P<0.01); a 78% lower risk of death for those receiving vitamin D treatment vs not.

When the data was adjusted for confounding factors (variables that may also have an effect on COVID-19 survival and can influence the outcome of the study) such as age, gender, smoking status, and other existing medical conditions, there was an even further reduced risk among the vitamin D treatment group.

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The adjusted data shows an 84% reduced risk of death for those receiving vitamin D treatment vs not (P=0.02), which is also a more precise indicator of the relationship between the risk of death from COVID-19 and the vitamin D treatment itself.

Check and Maintain Your 25(OH)D Levels to Keep Your Immune System Functioning Optimally

Measuring your vitamin D level is one way to tell if your body is getting enough, and correcting a vitamin D deficiency at any age and any time of life can decrease potential disease severity and improve outcomes. With almost 90% of the general population having vitamin D levels below the recommended 40-60 ng/ml (100-150 nmol/L), it is obvious that most people need more vitamin D. While most of us cannot achieve a vitamin D level of 40-60 ng/ml from sun alone, either due to our lifestyle, where we live, or other circumstances, we can certainly reach those levels with the right amount of supplementation.

Below is a guide for how much you might need, and who may need more. Your levels can be tested safely at home – order your home test kit today.

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By joining the GrassrootsHealth projects, you are not only contributing valuable information to our study, but you are also gaining knowledge about how you could improve your own health through measuring and tracking your nutrient status, and educating yourself on how to improve it. Do you know what your status of vitamin D, omega-3s, and other essential nutrients is? Could your levels be improved? Test now to find out!

We now have a NEW GIFTING SERVICE that allows you to quickly send ‘Gift Cards’ to friends, family and coworkers who you consider might need immediate access to testing, and to Claim the Joy of Your Health TODAY. Give the gift today!

Important Message

Help everyone Move Research into Practice with vitamin D and other nutrients! As a special birthday gift to everyone, in honor of the science, we have created a special scholarship fund for anyone to donate to that will go towards helping others participate. Your donation will allow anyone to get help with funding their participation when they need it.

Text-to-give: Text Daction to 44321 to add to our Scholarship Fund.

Donations made through GiveLively are received in full by GrassrootsHealth.

What Does it Take YOU to Get Your D to 40 ng/ml (100 nmol/L)?

Did you know your health could be greatly affected by making sure you have a vitamin D level of at least 40 ng/ml (100 nmol/L)? Help us help you.

STEP 1 - Do you know what your vitamin D level is? If not, be sure to test today to find out.

STEP 2 – Determine your target level. Are you at your target level? Experts recommend a level of at least 40-60 ng/ml (100-150 nmol/L).

STEP 3 – Need to boost your level? Use the D*calculator to see how much vitamin D it may take to reach your target. Opt for the Loading Dose for a quicker boost.

STEP 4 – Optimize how your body absorbs and utilizes vitamin D with co-nutrients and these simple steps.

STEP 5 – Re-Test! This is an important step to make sure you have reached your target level, and to ensure you are not taking too much! Re-testing after 3-4 months is recommended.

STEP 6 – Adjust, Repeat…

Give your immune system the nutrients it needs to support a healthy you and protect yourself from unnecessary diseases, especially COVID-19.

NEWS ALERT

The first Randomized Controlled Trial on vitamin D and COVID-19 has shown a 96% lower risk of ICU admission for those receiving vitamin D (as 25(OH)D to quickly boost vitamin D blood levels) along with the standard treatment, compared to those receiving standard treatment alone.

These results support many previous observational studies showing a relationship between vitamin D levels and intake and COVID-19 severity.

Review the Latest Nutrient Research for COVID-19

GrassrootsHealth Nutrient Research Institute has launched the new Immune Boost project with the use of our myData-myAnswers nutrient health system that nearly 15,000 people are already using for their health. Specific markers that influence immune health are suggested for testing as part of this project including:

  • Vitamin D
  • Omega-3 Index
  • Essential elements magnesium, selenium, and zinc
  • hsCRP

Our goal is to demonstrate how one can use the Nutrient Research Model established by Dr. Robert Heaney to show the effect of vitamin D serum levels of at least 40 ng/ml (100 nmol/L) on risk reduction for all ethnicities in the population. Status and intake of other nutrients will also be analyzed for any type of relationship to immune status and symptom severity. Join the project today!

Please let us know if you're interested in helping sponsor this project.

CLICK HERE for updates and new information about the project.

Through GrassrootsHealth Nutrient Research Institute, you can also test your essential elements magnesium, copper, zinc and selenium, toxins such as lead, mercury and cadmium, as well as your omega-3 levels, inflammation levels and thyroid stimulating hormone (TSH) level. Find out your levels today! Log on to the test selection page (click the link below) to get your tests and see for yourself if your levels can be improved.

Make sure you track your results before and after, about every 6 months!

Click Here to Access the Test Page

How can I track my nutrient intake and levels over time?

To help you track your supplement use and nutrient levels, GrassrootsHealth has created the Personal Health Nutrient Decision System called

For each specific supplement, you can track what days you take it, how much, and many other details.  This will help you know your true supplemental intake and what patterns of use work for you to reach and maintain optimum nutrient levels. Check it out today!