Video Friday: The math and science used to determine recommended vitamin D serum levels and supplementation amounts, and where the IOM got it wrong
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The BIG Mistake by the IOM

It's Video Friday! Today's video titled What Serum Level Should We Target, for What? was presented by Keith A. Baggerly, PhD - a biostatistician, cancer researcher, and "numbers geek" - at the American Public Health Association Annual Meeting and Expo in November of 2016.

In this video, Dr. Baggerly discusses the math and science used to determine the current recommended vitamin D serum levels and supplementation amounts, and where the Institute of Medicine (now the National Academy of Medicine) got it wrong. The mistakes in calculation led to recommendations that are way too low for public health, leading to widespread vitamin D deficiency even among those receiving medical care and attention.

Please take a moment to watch and share the video along with our detailed information below.
Watch the Video
After watching the video, be sure to make note of our added details below!
What Serum Level Should We Target, for What?
Here is a quick summary of what this video discusses, along with additional information and details about vitamin D:

  • It is difficult to get the vitamin D you need from diet alone, and the current recommendations for vitamin D supplementation are too low for the majority of the population -- WHY IS THIS, AND HOW DID IT HAPPEN?

  • The IOM (now the NAM) determines the US RDA (recommended daily allowance) for nutrients. This recommendation is considered the "golden standard" for medical and government institutions, and influences guidelines used around the world. Detrimentally, the RDA for vitamin D was determined based on a target serum level calculation which contained several mistakes described in detail here, and in the video.

  • Only months after the IOM set the target vitamin D level at 20 ng/ml (50 nmol/L), the Endocrine Society determined this recommendation to be incorrect, and instead suggested a target of 30 ng/ml (75 nmol/L). Two high authority groups have disagreed about what the minimum vitamin D level should be since they were implemented in 2010... yet no corrections have been made.

  • When supplementing, however, it is good to know your levels and re-test after increasing supplementation to ensure your target level has been reached, and to avoid toxicity.

  • BOTTOM LINE: 20 ng/ml is too low, even for bone health - 30 ng/ml looks reasonable for bone health, with additional benefits at higher levels, especially for cancer. There are no clear signs of active harm at these levels, which are seen as "natural" levels among those outdoors.

  • Take action now - and share this important information about vitamin D!

  • NOTE: the CMEs mentioned at the end of the video are no longer available, however, you can watch the video recordings of the presentations here.
Are You Getting Enough Vitamin D?
Everyone needs vitamin D! 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.
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!
What does the Research Say about Vitamin D & COVID-19?
It's TIME to start saving lives! If you can help PREVENT the majority of the death, it's time! What's it costing you/us not to take action NOW?

There is much published research that supports a clear link between vitamin D and COVID-19 showing that higher vitamin D levels are related to:
Be sure to educate yourself on the benefits and importance of vitamin D for immune health, and take steps to ensure you and your loved ones are getting enough.

You can review all of the COVID-19 and immune health information we have shared on this page.
Ensure Vitamin D Levels of 40-60 ng/ml (100-150 nmol/L) for You, Your Children, Loved Ones
Correcting a vitamin D deficiency at any age and any time of life decrease potential disease severity and improve outcomes! Test your vitamin D level today, learn what steps to take to improve your level, and take action to achieve and maintain a vitamin D level of 40-60 ng/ml (100-150 nmol/L).

Using the GrassrootsHealth Custom Kit Builder, you can create a test kit that measures your status of vitamin D and other important nutrients (such as omega-3s, zinc and magnesium), as well as your CRP level to measure inflammation. Click here to build and order your test kit today – measure your status and take the steps necessary to improve them if needed; make an impact on your health today and for your future! When you know what your levels are, you can determine next steps to take and how much supplementation may be needed if you are not at your target levels.

Enroll now with the Full Immune Boost Panel (which includes tests for vitamin D, Omega-3 Index, magnesium, zinc, selenium, copper, and hsCRP), and get 10% off when you use coupon code BoostTen at checkout.
NEWS ALERT: States, Governments Acknowledge the Need for Vitamin D to Build the Immune System;
Vitamin D*action has achieved a major milestone of ‘Moving Research into PRACTICE’!

EVERYONE needs to know about the benefits of vitamin D... We need your help to do this. Donating $25.00 today will positively affect millions of lives!

We will take this opportunity to use our extensive network to get pertinent information on vitamin D to the new US COVID Panel as well as local and state government representatives around the world.

Donate $25 today (or more) to help support this outreach effort (and, let us know if your employer could match the donations made by individuals from now until January 1, 2021!). You can also "text-to-give" by simply texting Daction to 44321.
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.
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Have a beautiful and HEALTHY day.
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Carole Baggerly
Director, GrassrootsHealth
A Public Health Promotion & Research Organization Moving Research Into Practice NOW!
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