The ‘5-Second Solution’ for Supporting Your Immune and Cellular Health

Vitamin D3 is vitally important for your immune function, respiratory, cellular and heart health, and so much more, yet few people get enough. Here’s a quick and easy way to help make sure you don’t run low.*

 
  • Vitamin D3 is essential for immune health, healthy cell development and growth, strong bones, cardiovascular health, brain health and cognition, and just about every function in your body.
  • Vitamins D3 Sunshine Mist is a fast and easy way to get the precise amount of vitamin D your body needs without having to swallow a pill or capsule.
  • Supplying 5000 IU of Vitamin D3 in each convenient metered dose, this pleasing natural orange-flavored supplement contains no artificial flavors, colors, sugar, dairy, or soy.

Vitamin D may just well be the most important nutrient ever known to humankind.

I know that’s a bold statement, but vitamin D has been a keen interest of mine for decades and a topic for books and papers I have published.

The last few years have revealed dramatic benefits attributed to vitamin D. Researchers have discovered how valuable it is for many aspects of health – and how common widespread vitamin D deficiencies truly are.

It’s never been a higher priority than it is today to have sufficient vitamin D stores to support your immune function, respiratory, bone and cellular health, and so much more.

A fat-soluble steroid hormone, vitamin D penetrates nearly every cell in your body and passes into the cell’s nucleus to control the expression of as many as 3,000 genes.

This means vitamin D actually modifies how the cells in your body behave and function.

Vitamin D receptors are found in many different tissues and cells in your body, including your immune cells – proof of how important vitamin D is to your immune function.*

By influencing your two arms of immune function – your innate, or frontline protection, and adaptive immune responses – vitamin D is key to optimal immune health.*

Woman smiling.

Are You Vitamin D Deficient?

As more people test their serum levels, it’s becoming apparent that most people aren’t getting enough vitamin D.

Worse, many individuals have dangerously low levels – far lower than what’s needed to support physical and mental health.

Are you deficient? You may be low in vitamin D if you...

  • Spend minimal time outdoors and wear sunscreen.

    Direct sunlight exposure is, by far, the best way to get your vitamin D, as your skin produces vitamin D when exposed to the sun’s ultraviolet rays.

    However, few people get enough of the right kind of exposure to receive adequate supplies of the vitamin. And if you wear sunscreen, it filters out the UVB rays that produce vitamin D in your skin. Plus, showering right after sun exposure can reduce your body’s production of the vitamin.

  • Are over the age of 50.

    As you age, your skin loses the ability to generate vitamin D and your kidneys become less efficient at converting vitamin D to its active form.

    Plus, older individuals tend to spend more time indoors so they get less sun exposure.

  • Have darker skin.

    People with darker skin tones have higher melatonin levels, which block UVB radiation and limits the body’s ability to produce vitamin D.

  • Are overweight.

    Individuals who are overweight often have considerably higher needs for vitamin D because the nutrient can accumulate and become “trapped” in body fat, or adipose tissue, preventing it from getting to the blood.

    Increasing your activity level may help release bound vitamin D from adipose tissue.

  • Have a gastrointestinal issue that affects fat absorption.

    Vitamin D is a fat-soluble vitamin and is absorbed with dietary fat. If you severely restrict fat in your diet or have an issue with absorbing fat, you are more likely to have low vitamin D levels.

Why Your Location Influences Your Risk for Deficiency

While the best way to maintain healthy levels of vitamin D is through sun exposure, where you call ‘home’ may make this a challenge.

During the winter months, in non-tropical or subtropical locations, the sun’s rays have to penetrate extra layers of the atmosphere that essentially filter out most, if not all, of the ultraviolet (UVB) rays.

Yet, winter isn’t the only time of year people may not be able to produce enough vitamin D naturally and become at risk for deficiency...

A minimum of 10 to 15 minutes of regular, direct sun exposure on sufficient exposed areas of your body at the right time of day is needed for absorbing enough UVB rays to produce vitamin D.

Therefore, the risk is high throughout the year, with research suggesting that up to 85% of people may be vitamin D deficient.

The chart below shows how much UVB rays from direct sun exposure you can expect to receive throughout the year in the U.S. As you can see, in the months of January and February, the sun is simply not close enough anywhere in the U.S. for vitamin D synthesis to occur.


In some areas, there are many other months, too, where UVB rays will be hard to obtain, leaving you at risk for vitamin D deficiency. It can even be challenging during summer months in some regions to get enough natural vitamin D from the sun.

Note: If you live outside of the U.S., consult the Sun or Moon Altitude table to determine how far the sun is from your location at any given time.

Woman with shoulder pain.

11 Clues You May Be Deficient in Vitamin D

In recent years, researchers have discovered that there are physical and mental signs of deficiency or sub-par levels of vitamin D. How many of these ring true for you?

  1. Sore muscles

    Studies suggest that nerves have vitamin D receptors. Low levels of vitamin D may contribute to deep muscle hypersensitivity.*

  2. Tender bones

    Because vitamin D regulates your body’s levels of calcium for bone health, low levels of vitamin D could have adverse effects on bone health.*

  3. Fatigue

    In one study of 174 patients with fatigue (but stable health), 77% were found to be deficient in vitamin D. Once serum vitamin D levels returned to normal, feelings of fatigue improved significantly.*

  4. Reduced muscle performance

    Higher serum levels of vitamin D are associated with reduced injury rates and improved sports performance. Vitamin D plays key roles in muscle development, strength and performance.*

  5. Mood and cognitive function

    Vitamin D helps buffer higher calcium levels in the brain, just like it does in your bones, making it essential for brain and neuron health, a healthy mood and proper cognitive function.*

  6. Cardiovascular and blood pressure concerns

    Found to have a significant effect on the endothelial cells that line your cardiovascular system, vitamin D3 supports healthy circulation and blood pressure levels already in the normal range.*

  7. Poor sleep

    Research has linked low levels of vitamin D with poor quality sleep and a greater risk of sleep challenges.

  8. Excessive sweating

    Abnormal sweating (especially on your head) or a change in how you sweat may suggest low levels of vitamin D.

  9. Hair loss

    Vitamin D plays a key role in your hair cycle, and vitamin D receptors appear to be important for hair growth.

  10. Dizziness

    Vitamin D plays a key role in your hair cycle, and vitamin D receptors appear to be important for hair growth.

  11. Excess weight

    Studies show an association between excess amounts of body fat (especially in the abdomen) and low blood levels of vitamin D. How the two factors are related isn’t yet clear, but researchers believe much higher levels of vitamin D are needed to achieve the same serum concentration compare to lean subjects.*

As you can see, vitamin D (specifically the vitamin D3 form) has a far-reaching and significant impact throughout your body, affecting just about every function in your body.

Let’s make sure you are getting the right amount...

Determining Your Exact Dose of Vitamin D3

The only way to know for sure if you are low in vitamin D is to check your blood serum levels regularly.

We offer convenient test kits in the Mercola Market to help you check your levels of vitamin D, along with other important vitamins and minerals, such as magnesium, in the privacy of your home.

If your levels are low, I recommend either dramatically increasing your sun exposure time (if feasible) or taking a vitamin D3 supplement.

How much supplemental vitamin D should you take?

GrassrootsHealth now recommends a blood serum level of 50 ng/mL or higher for optimal immune and cellular health. While they used to recommend 40-60 ng/mL as the ideal level, the most recent data supports a minimum of 50 ng/mL for immune health.

My vitamin D3 recommendations are even higher. Based on the latest studies, I believe your blood level should be closer to 60 ng/mL to 80 ng/mL.

Most people have significantly lower blood levels than this, so what should you do if your levels are below this range?

Table 1 below by GrassrootsHealth provides a guide for correcting low levels of vitamin D using an upfront loading dose for fast results.

Using your results from a current vitamin D test, find your 25(OH)D serum levels in the left-hand column. Follow it across the chart for the recommended dosing and number of weeks to raise your levels to above 50 ng/ml.

Table 1. Guidance on upfront loading dose regimens to replenish Vitamin D stores in the body
Achieving serum 25(OH)D concentrations above 50 ng/mL
based on serum 25(OH)D concentration in non-emergency situations in a 70 kg adult *
Serum Vitamin D
(ng/mL)**
Vitamin D dose, 50,000 IU capsules:
Initial and weekly***
Duration
(weeks)
Total amount for deficit correction
(IU, in millions)****
Initial Dose (IU) Weekly dose
(550,000 IU caps)
< 10 300,000 x 3 8 - 10 1.5 - 1.8
11 - 15 200,000 x 2 8 - 10 1.0 - 1.2
16 - 20 200,000 x 2 6 - 8 0.8 - 1.0
21 - 30 100,000 x 2 4 - 6 0.5 - 0.7
31 - 40 100,000 x 2 2 - 4 0.3 - 0.5
41 - 50 100,000 x 1 2 - 4 0.2 - 0.3

*         A suitable daily or weekly maintenance dose should start after completing the schedule.

**       For conversion of ng/mL to nmol/L, multiply by 2.5.

***     Mentioned replacement doses can be taken as single cumulative doses or spread out through the week.

***** Estimated deficit of vitamin D needed to replenish body stores.

(Table adapted with permission from S.J. Wimalawansa)


If you don’t yet have your vitamin D test results or know your baseline serum level of vitamin D, there’s an alternative – yet less precise – way to know how much supplemental vitamin D to take.

Table 2 uses a method based on your body mass index (BMI), which is a measure of the amount of body fat in your body based on height and weight.

As you can see below, overweight individuals require substantially greater amounts of supplemental vitamin D than normal-weight individuals to reach and maintain a serum level of 50 ng/mL.

Table 2. Vitamin D dosing in the absence of a baseline Vitamin D level
Longer-term maintennace of serum 25(OH)D concentrations
above 50 ng/mL based on body weight. *
Body-weight category Dose (IU) kg/day Dose (IU) (Daily or Weekly)
Initial Dose (IU) Weekly dose
BMI ≤ 19 (under-weight) 40 - 70 ≃ 2,000 - 4,000 ∼ 25,000
BMI 20 - 29 (non-obese person) 70 - 100 ≃ 5,000 - 7,000 ∼ 50,000
BMI 30 - 39 (obese person) 100 - 150 ≃ 9,000 - 15,000 ∼ 75,000
BMI ≥ 40 (morbidly obese person) 150 - 200 ≃ 16,000 - 30,000 ∼ 100,000

(Table adapted with permission from S.J. Wimalawansa)


When correcting low levels, I recommend testing again in three to six months to make sure you are getting the right amount of vitamin D.

How to Get the Preferred Form of Vitamin D You Need

Before you start loading up on milk, cheese, salmon and other food sources, know this about the vitamin D in food:

The majority of foods, including milk, don’t contain enough vitamin D3 to result in optimum levels in your blood.

Some foods, such as milk, are “fortified with vitamin D3,” but are not natural sources. The levels of vitamin D added to milk are far too low to meet your daily needs.

Because vitamin D is so lacking in food, for most people, the best way to get enough vitamin D in the absence of sun exposure is to take a supplement.

However, here’s what you need to know about vitamin D supplements...

There are two different types of vitamin D used in supplements – vitamin D2 (“ergocalciferol” or pre-vitamin D) and vitamin D3 (“cholecalciferol”).

Both naturally occurring forms are produced in the presence of the sun’s UVB rays, but D2 is produced in plants and fungi, and D3 is produced in animals, including humans.

While both forms are somewhat similar in structure and share some beneficial effects, studies show they differ considerably. One study found that D3 has a positive effect on mood, whereas D2 does not.

Another recently published study with 335 women ages 20 to 64 looked at how the two forms act in your bloodstream and affect immune health. Comparing the two forms, the study found that vitamin D3:

  • More effectively increased vitamin D levels in the bloodstream.*
  • Supported a stronger immune response to threats.*

What’s more, this study found that vitamin D2 may actually have a detrimental effect.

Supplemental vitamin D2 may make you more vitamin D3 deficient. The group taking a D2 supplement had less D3 in their blood than the placebo (non-supplementing) group.

This finding supports earlier research showing how a vitamin D2 supplement can displace the normal, native D3 in your body, affecting some vitally important pathways.

The ‘5-Second Solution’ for Safeguarding Your Health

We’ve come up with a way for you to get the exact amount of vitamin D3 you need in a pleasant-tasting, no-capsule form.

Our Vitamin D3 Sunshine Mist® spray provides what we consider to be the most biologically active vitamin D3 supplement.

Supplying 5,000 IU of Vitamin D3 in each convenient, metered dose, our Vitamin D3 Sunshine Mist spray:

  • Comes in a delicious natural orange flavor without any artificial flavors or colors.
  • Does not contain any sugar, wheat, yeast, soy, gluten, eggs, salt or dairy.
  • Uses a non-aerosol, non-drip dispensing container to deliver its nutrients in a form your body can put to use immediately.*

With no pills or capsules to swallow, when you spray Vitamin D3 Sunshine Mist into your mouth, the fine mist promotes rapid absorption of the nutrients into your bloodstream, tissues and cells.*

Because of the absorption challenges some people experience with vitamin D, a spray may be the preferred way to take it in its oil form.

Convenient to carry and use, our pre-metered spray container easily fits in your purse, pocket or backpack.

Grandmother with granddaughter.

Optimize Your Body’s Vitamin D3 Levels – And Your Health*

Vitamin D3 Sunshine Mist

More people than ever realize how important it is to get enough vitamin D, and they’re taking a supplement regularly when they can’t get proper sunlight exposure.

While that’s a great development, there’s one caveat. Taking vitamin D by itself may be a big mistake.

When you take supplemental vitamin D, it is vitally important to also get enough vitamin K2 and magnesium. These three nutrients work synergistically – each needs the other two to function properly in the following ways:

  • Vitamin D transports dietary calcium throughout your body, and vitamin K2 helps make sure the calcium ends up where it belongs – absorbed by your bones.
  • Magnesium helps release and activate vitamin D stored in your body.

It’s estimated that 50% of Americans are deficient in magnesium, and low levels of magnesium can adversely affect your vitamin D levels. Vitamin D remains stored in your body in an inactive form when you’re low in magnesium.

For that reason, I recommend taking Vitamin K2 and Magnesium Threonate with Vitamin D3 Sunshine Mist® spray.

Help optimize your body’s vitamin D levels, and support your immune, cellular and respiratory health, and much more by ordering Vitamin D3 Sunshine Mist spray today.*

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FAQs
  1. 1. What is the shelf life of Vitamin D3 Sunshine Mist®, and how should it be stored?

    The shelf life of Vitamin D3 Sunshine Mist® is about two years when stored in a cool, dry place at room temperature prior to opening. For best results, we recommend refrigeration once opened.

  2. 2. How do I take this, and how much of a supply comes in each container?

    You should spray it under your tongue, hold it there for 20 seconds and then swallow. It’s not required to take Vitamin D3 Sunshine Mist® with food or water. Each spray bottle contains about a 30-day supply of the vitamin when taken in a five-spray (5,000 IU) daily dose.

  3. 3. What is the correct dosage?

    For adults in “maintenance” mode, five sprays (5,000 IU) is the recommended dose. If, as an adult, you are deficient in vitamin D3 (blood levels tested below 40 ng/ml), 10 sprays (10,000 IU) can be used for a short term to get your target levels back up. When taking more than the suggested dose of 5,000 IU, it’s best to be under the guidance of a health care professional.

  4. 4. Is Vitamin D3 Sunshine Mist® okay to take while pregnant or nursing?

    If you are pregnant or nursing, consult your physician before taking this product.

  5. 5. Can I take this if I'm taking the Whole-Food Multivitamin?

    You should gauge how much vitamin D3 you are getting from your multivitamin and other sources and adjust accordingly. For example, our Whole-Food Multivitamin provides 5,000 IU of vitamin D3 per serving. So, if you’re simply maintaining your vitamin D levels, it wouldn’t be necessary to take our Vitamin D3 spray as well. However, vitamin D3 needs can be highly individualized and absorbed at different rates. The only way to really assess your appropriate dosage is to regularly have your levels tested.

  6. 6. Should I take vitamin K2 with this product?

    Yes, vitamin K2 should be taken with vitamin D3. When taken together, vitamin K2 and vitamin D3 work synergistically together as cell cofactors to help support your heart health and more.*

  7. 7. Is Vitamin D3 Sunshine Mist® suitable for vegetarians?

    Since the vitamin D3 used in our formula is derived from lanolin cholesterol (sheep wool), this spray is suitable for vegetarians.

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