Published on September 17, 2019

As we saw in the first of this series, GrassrootsHealth participants reside in 55 countries worldwide. Today, we’ll look at how vitamin D levels vary by location.

Vitamin D levels by country for GrassrootsHealth Participants

Among GrassrootsHealth participants worldwide, the countries with the highest average vitamin D levels are Norway (55 ng/ml; 138 nmol/L) and Switzerland (48 ng/ml; 120 nmol/L). The countries with the lowest average vitamin D levels are Mexico (21 ng/ml; 53 nmol/L), Japan (23 ng/ml; 58 nmol/L), and Singapore (24 ng/ml; 60 nmol/L). The average for both the United States and Canada was 44 ng/ml (110 nmol/L).

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Vitamin D levels by state for GrassrootsHealth Participants

Among GrassrootsHealth participants in the United States, the states with the highest average vitamin D levels are Arizona (53 ng/ml; 133 nmol/L), Montana (53 ng/ml; 133 nmol/L), and Wyoming (51 ng/ml; 128 nmol/L). The states with the lowest average vitamin D levels are Mississippi (33 ng/ml; 83 nmol/L) and Delaware (39 ng/ml; 98 nmol/L).

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Based on the 2013-2014 National Health and Nutrition Examination Survey (NHANES), which collects health information from a representative sample of individuals living in the United States, the average vitamin D level among U.S. adults is 28 ng/ml (69 nmol/L). A vast majority of GrassrootsHealth participants in the U.S. (83%) have vitamin D levels above the U.S. average.

Are you getting enough vitamin D and other essential nutrients?

Testing your vitamin D level regularly and taking daily steps to keep it at a target level of 40-60 ng/ml (100-150 nmol/L) is important for all stages of health. Through GrassrootsHealth Nutrient Research Institute, you can also track your omega-3 status, inflammation levels, and levels of essential and toxic nutrients. Find out your levels today! Log on to the shop (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 Shop Page

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

To help you track your nutrient intake and levels, GrassrootsHealth has created an online tracking system called myData-myAnswers. You can also track your health conditions and symptoms to see how your nutrient intake and status may impact your health and how you feel. Check it out today!

How Can You Use this Information for YOUR Health?

Having and maintaining healthy vitamin D and other nutrient levels can help improve your health now and for your future. Measuring is the only way to make sure you are getting enough!

STEP 1 Order your at-home blood spot test kit to measure vitamin D and other nutrients of concern to you, such as omega-3s, magnesium, essential and toxic elements (zinc, copper, selenium, lead, cadmium, mercury); include hsCRP as a marker of inflammation or HbA1c for blood sugar health

STEP 2 Answer the online questionnaire as part of the GrassrootsHealth study

STEP 3 Using our educational materials and tools (such as our dose calculators), assess your results to determine if you are in your desired target range or if actions should be taken to get there

STEP 4 After 3-6 months of implementing your changes, re-test to see if you have achieved your target level(s)

Enroll in D*action and Build Your Custom Test Kit!

Memorial Day Sale! Save 15% off orders of $100 or more with code MEMORIAL24. Not valid on the T1D Prevention Test Kit. Sale ends 5/28/24 at 11:59pm PST.