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Published on December 10, 2021

Video Friday: Vitamin D experts discuss this topic and more, saying “during a pandemic, especially, one should err on the side of encouraging more vitamin D, and avoid vitamin D deficiency at all times”

Key Points

  • Vitamin D is necessary for many aspects of women’s health and reproductive health
  • Previous research has shown that women who test positive for HPV infection of the cervix, or who receive abnormal Pap smear results, are more likely to have lower vitamin D levels; higher vitamin D levels have also been linked to a reduced risk for endometriosis, uterine myomas, and dysmenorrhea (pelvic pain with menstruation)
  • A new study comparing women with vitamin D levels of at least 30 ng/ml (75 nmol/L) to women with levels below 20 ng/ml (50 nmol/L) found that women with higher levels had a 27% decreased risk of HPV infection of the cervix, 17% decreased risk of dysmenorrhea, and a decreased risk of abnormal ultrasounds of the breast (14%), uterus (33%), and endometrium (54%)

It’s Video Friday! In today’s video, Dr. Pam Taub, MD and cardiologist at the University of California, San Diego, interviews world-renowned vitamin D experts Dr. Michael Holick and Dr. JoAnn Manson about the current research on vitamin D and how they suggest to apply these findings to daily life during a pandemic. Topics include discussions about cancer, immune health, and COVID-19, what they recommend to their own patients in terms of vitamin D intake and levels, as well as new and upcoming studies. Tune in!

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After watching the video, be sure to make note of our added details below.

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Summary: What do Top Researchers Have to Say about the Latest Vitamin D Research?

Vitamin D has a variety of health benefits and actions, from anti-cancer to regulating blood sugar to improving the immune response, regulating cellular growth and controlling the expression of thousands of genes (in other words, much benefit beyond bone health)

Vitamin D deficiency is related to an increased risk for all kinds of diseases

The best biomarker for vitamin D status is the measure of 25(OH)D in the blood – measuring this level is essential to know if you are getting enough

Findings from the VITAL Trial by Manson et al. included a reduction in cancer death among those taking vitamin D supplements; this group was considered “vitamin D sufficient” at baseline on average

A greater risk reduction could be assumed among individuals with vitamin D deficiency to start, however, it is not ethical to do long-term trials in people who are known to be vitamin D deficient, making RCTs to compare outcomes among participants with vitamin D deficiency to vitamin D sufficient participants difficult

What is the optimal amount of vitamin D? VITAL trial showed more than “usual” intake of vitamin D is of benefit in reducing cancer death

Upcoming research includes vitamin D and statin intolerance – improving vitamin D status may decrease complications with muscle aches and pains associated with taking statins. Additional upcoming studies will look at if improving vitamin D status could improve the immune response to COVID vaccines? To long-haul COVID?

COVID data – much data shows higher vitamin D levels are associated with fewer complications and less severity of COVID-19 disease, such as that from the Kauffman study, where a blood level of 20 ng/ml or below vs 34 ng/ml or higher was associated with a 54% higher risk of infection

Vitamin D has an important role to play in immunomodulation, by helping to regulate both the immune response and inflammatory response – many biological mechanisms need vitamin D, especially those involved in fighting a COVID infection

During a pandemic, especially, you should err on the side of encouraging more vitamin D, and should avoid vitamin D deficiency at all times – Dr. Manson

Vitamin D supplementation is SAFE, with no toxicity seen at 10,000 IU/day

It is important to measure the level; obese individuals especially (with a BMI >30) may need more vitamin D than individuals with a normal weight, however, there are many other factors that influence how much vitamin D may be needed

What do they tell their patients to do about vitamin D?

Dr. Holick:

  • has patients on 3000-5000 IU/day; 600-1000 IU for children; 1500-2000 IU for teens
  • aim for a level between 40-60 ng/ml, up to 100 is perfectly safe
  • his blood level is 72 ng/ml taking 6000 IU per day

Dr. Manson:

  • Dose recommendations should vary according to health status of the person, and especially during a pandemic, would err on the side of recommending more vitamin D
  • 1000-2000 IU per day is perfectly safe, more is reasonable for individuals with certain conditions; there are several other circumstances that would indicate someone may need more vitamin D, and the dose should be adapted to suit a patient’s needs
  • clinicians should feel that they have the latitude to decide what is the best dose for their patient

Vitamin D is an Easily Modifiable Factor to Help Improve Disease Outcomes – Check Your Level Today

Having and maintaining healthy vitamin D levels and other nutrient levels can help improve your health now and for your future. Choose which to measure, such as your vitamin D, omega-3s, and essential minerals including magnesium and zinc, by creating your custom home test kit today. Take steps to improve the status of each of these measurements to benefit your overall health. You can also track your own intakes, symptoms and results to see what works best for YOU.

Enroll and test your levels today, learn what steps to take to improve your status of vitamin D (see below) and other nutrients and blood markers, and take action! By enrolling in the GrassrootsHealth projects, you are not only contributing valuable information to everyone, 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.

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!