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Published on May 1, 2019

GrassrootsHealth has declared the month of May to be “Sunshine Month” to raise awareness about the importance of sunshine. During the month of May, we will be providing information about why the sun plays an essential role in human health, including reviews of some of the latest research on the benefits of sun exposure, and tools to assess sensible sun exposure and track vitamin D status and health outcomes.

Nothing is more important to us on Earth than the Sun. Without the Sun’s heat and light, the Earth would be a lifeless ball of ice-coated rock. The Sun warms our seas, stirs our atmosphere, generates our weather patterns, and gives energy to the growing green plants that provide the food and oxygen for life on Earth.
– NASA from “A Meeting with the Universe”

The sun provides vitamin D

One of the benefits of sun exposure is vitamin D. Your body is naturally designed to produce vitamin D when skin is exposed to midday sunlight, specifically the sun’s ultraviolet-B (UVB) rays. Vitamin D is necessary to keep our bodies and minds healthy. Your body needs vitamin D to effectively absorb calcium and together these nutrients build and maintain strong bones. Vitamin D also plays a key role in neuromuscular function, the immune system, and has been associated with a lower risk of many diseases including cancer, diabetes, multiple sclerosis, and Alzheimer’s disease.

Vitamin D deficiency, defined as a blood level of 25-hydroxyvitamin D below 20 ng/ml or 50 nmol/L, is common world-wide for all age groups, especially in the Middle East and Asia. Data from the 2013-2014 National Health and Nutrition Examination Survey (NHANES) shows that within the United States population, approximately one-quarter (23%) have levels below 20 ng/ml (50 nmol/L) and a vast majority (89%) have levels below 40 ng/ml (100 nmol/L), the bottom level of the range recommended by the GrassrootsHealth panel of expert scientists. Contributing to this deficiency is the decreased amount of time spent outdoors compared to any other time in human history.

Non-vitamin D benefits of the sun

In addition to vitamin D production, there are many more benefits to our health and well-being from sun exposure. When skin is exposed to the sun’s UVA rays, nitric oxide is released which increases blood flow and lowers blood pressure. Sunlight exposure also thickens the outermost layer of the skin and increases skin pigmentation which protects the skin and deeper tissues from UV damage. Additionally, UVB exposure results in the production of beta-endorphins which increase the feeling of well-being, promote relaxation, relieve pain, and boost the immune system. While vitamin D supplementation is important for many people to achieve 40 ng/ml (100 nmol/L) in today’s culture, it does not replace these non-vitamin D benefits of sun exposure. While it is always important to be mindful not to burn while out in the sun, we encourage you to get outside and join us in celebrating the sun during the month of May!

Are you using sun exposure as your only source of vitamin D?

Is sun exposure alone enough to keep your vitamin D levels in a healthy range? This is difficult to achieve for most people! Make sure you know your vitamin D level, and see if you are in the target range of 40-60 ng/ml (100-150 nmol/L). 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 sun exposure and vitamin D levels?

To help you track your sun exposure and nutrient levels, GrassrootsHealth has created an online tracking system called myData-myAnswers. You can also track your supplemental and dietary nutrient intake to see how they impact your nutrient levels. 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!