The Dr. Josh Axe Show - 10 Signs You Have a Vitamin D Deficiency (How to Boost Vitamin D Naturally)
Episode Date: October 15, 2024Did you know that 42% of Americans are deficient in vitamin D? In this eye-opening episode of the Dr. Josh Axe Show, discover the hidden dangers of vitamin D deficiency and how it impacts your overall... health. Dr. Axe delves into the crucial role of this "sunshine vitamin" in supporting your immune system, bone health, and even your mood. Key takeaways from this must-listen episode: • Uncover the shocking link between vitamin D and hormone regulation • Learn why your fatigue and frequent illnesses might be vitamin D-related • Discover how vitamin D deficiency could be sabotaging your weight loss efforts • Find out which foods are secret vitamin D powerhouses • Learn the optimal time for sun exposure to boost your vitamin D naturally • Understand what your vitamin D supplements might be lacking Tune in to arm yourself with the knowledge to recognize vitamin D deficiency and learn Dr. Axe's expert strategies for boosting your levels naturally. Walk away with actionable tips to optimize your vitamin D intake and transform your health from the inside out. #vitaminD #naturalhealthtips #draxe Want more of The Dr. Josh Axe Show? Subscribe to the YouTube channel. Follow Dr. Josh Axe Instagram Twitter Facebook TikTok Website ------ Staying healthy in today's world is an upstream battle. Subscribe to Wellness Weekly, your 5-minute dose of sound health advice to help you grow physically, mentally, and spiritually. Every Wednesday, you'll get: Holistic health news & life-hacks from a biblical worldview Powerful free resources including classes, Q&As, and guides from Dr. Axe The latest episodes of The Dr. Josh Axe Show Submit your questions via voice memo to be featured on the show → speakpipe.com/drjoshaxe ------ Ads: Get $200 OFF a Coldture cold immersion tub! Go to coldture.com and use code AXE. Follow @coldture on Instagram! Even if your bloodwork looks "normal," your symptoms could point to Cell Danger Response (CDR). Discover how to break free from CDR and unlock your full potential at beyondbloodwork.com. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Hey everyone, welcome the Dr. Josh Axe show.
I am your host, Dr. Axe.
And each and every week on this show, we dive deep into the science and principles
behind how to grow in body, mind, spirit, and take your health and your life to the next level.
Today we'll be focusing on vitamin D deficiency, and it's one of the biggest nutrient deficiencies
in the world.
And I'll go through the top 10 signs that you might be vitamin D deficiency.
deficient and how to raise those levels naturally.
And let me see, this is a big deal.
It's tied to everything from osteoporosis and weak bones to hormone imbalances with testosterone
and men and estrogen and progesterone and women.
It's tied to mood disorders and mental health issues.
And so it is critically important that we make sure that your vitamin D levels are where
they should be.
And I'll go through that range.
Also, how much sun you should be getting to get you the exact right amount of vitamin D and so
much more on today's episode.
Before I dive in though, make sure to subscribe to the channel
and follow my weekly wellness newsletter
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And you'll get that once a week in your inbox
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So here's a little bit about vitamin D.
First off, it's a fat soluble vitamin.
Remember that.
fat soluble. Later on, I'll talk about why when you take it, you should take it with
fat if you're going to consume it orally. But again, it's a fat soluble vitamin that helps your
body absorb other nutrients like calcium and phosphorus, which are essential for healthy bones
and teeth. It also plays a crucial role in supporting the immune system, supports brain
function, hormone creation, and mood regulation. According to the National Institutes of Health,
the NIH, vitamin D deficiency affects approximately 42% of the U.S. population with higher rates seen
in older adults, people with darker skin, and those living in areas with limited sunlight
exposure. Now, I do want to point out, 42% of people are vitamin D deficient. That also doesn't
mean in the optimal range. And that's something that you're going to notice as I go through
some of these different lectures on vitamins and minerals and the range you should be in,
there's a few ranges to consider.
One is you're depleted so bad that your body can't do, it can't create bones, right?
Right.
So, I mean, it's going to lead to osteoporosis or major hormone dysfunction.
And so there's that range where you are majorly deficient, but there's also moderately
or in a minor way deficient, you're borderline.
Now, your body isn't going to be optimal in that case, and it's not going to promote longevity
to where you're living longer and you're living a vibrant life.
That's the range you want to be in.
So just know, it's not just 42% of the population.
It's probably close to 80% of the population that don't have ideal vitamin D levels.
And so it's actually much higher than the 42% when it comes to people in total that don't have optimal levels.
As we talked about, vitamin D is important for a lot of things.
It's important for bone health.
It's important for immune system function.
In fact, studies show that it enhances the pathogen fighting effects of white blood cells, reducing inflammation and promoting an immune defense.
This is important for fighting cancer.
There are several studies showing that vitamin D helps fight cancer.
There are studies showing it helps fight the common cold and flu.
It fights autoimmune disease.
So there are so many reasons why we need vitamin D.
In addition, as I mentioned, mood and brain health, cell growth and regulation, and even cellular
function that's important for so, so many things.
And I want to talk about hormones that vitamin D impacts, because here's the thing to know about
vitamin D.
It's not only a vitamin.
It's also known as a pro hormone.
So more than probably any nutrient you could take, it impacts your hormone levels.
And a couple of the hormones it impacts, or the couple of the different ways it impacts,
your hormones is through what's known as calcium
and parathyroid hormone.
And vitamin D is crucial for calcium absorption
in our intestines.
And when vitamin D levels are low,
our parathyroid glands produce more what's called PTH,
which then can pull calcium out of our bones
and weaken them.
And so it's very important, as we mentioned,
for calcium absorption.
It's also important, and this is why there are studies showing
that if you take a calcium supplement,
a solo calcium supplement with nut
without vitamin D or magnesium,
it actually can cause calcification of your arteries
because calcium,
if it doesn't get used up by your bones and other organs,
it can get lodged in your arteries in the plaque there
and calcify and cause heart disease.
So if you're taking a cheap, unaffective supplement,
calcium supplement specifically that doesn't have vitamin D and magnesium,
it's worse for you than taking a calcium supplement in the first place.
And so this is why anytime you're buying supplements,
they should be food-based and have the other co-factors in with them,
like vitamin D, to support absorption.
But as I mentioned, vitamin D is critical for calcium absorption and for those hormones.
It's also critical for insulin.
Vitamin D plays a role in insulin production,
which is vital for regulation, of course, we know of blood sugar levels.
And studies have shown that low vitamin D can lead to insulin,
resistance, which can increase the risk of type 2 diabetes. In fact, vitamin D is one of the top
three nutrients, along with chromium and magnesium, that I recommend for people that have diabetes
or pre-diabetes or anyone that wants to support insulin levels. It is crucially important for that hormone.
It's also very important for thyroid hormones. And there's evidence that vitamin D influences
T-SH-T-3 to T-4, which can help regulate. We know your thyroid
hormone production, your metabolism, and you want to make sure you have the proper vitamin
D levels. Now, part of vitamin D might be that it impacts insulin, which that impacts the thyroid
hormone levels. But either way, if you have hypothyroidism, if you have Hashimoto's thyroiditis,
those especially, you want to make sure that your vitamin D levels are optimal, and we'll get into
those ranges here in just a minute. I also want to mention it's also important for sex hormones.
vitamin D impacts reproductive hormones.
In women specifically, low levels of vitamin D have been linked to menstrual irregularities and fertility issues.
A study in the journal of clinical endocrinology and metabolism found that vitamin D deficiency
was associated with lower estrogen levels, which can affect ovulation and reproductive health
and also cause menstrual cramps and other painful disorders.
And so it's important to know that vitamin D, for women out there, if you want to support your fertility,
you need to make sure your vitamin D levels are optimal and supporting your regular hormone production.
Now, in men, it might even be more important.
Vitamin D deficiency has been linked to low testosterone in men.
And research published in the Journal of Sexual Medicine indicates that higher vitamin D levels are associated with increased testosterone production,
which is crucial for male fertility and overall health.
And let me just say, it's not, it's not, when I've looked at this research on vitamin D and testosterone,
I've looked at multiple studies, I looked at meta-analysis, it's not like it made just a little
difference or sometimes it did or sometimes it didn't. No, in most men, it really has a significant
impact. If you have low vitamin D levels, it's almost guaranteed to cause you to have lower testosterone,
which will cause you to be weak, which will cause you to lack energy, which will cause you to
not necessarily even feel like a man, it'll cause you to have lower self-esteem.
You're just going to be weak.
And so it's very important for men that you pay attention to what your vitamin D levels are
and make sure you're optimizing them.
There's a lot of men today spending way too much time inside, scrolling on social media,
playing video games, watching TV rather than being outside and working out and eating foods
that are full of healthy fat and vitamin D.
And so your testosterone levels are low because of that.
We need to optimize vitamin D for testosterone.
Now, I want to walk you through the top 10 warning signs that you're vitamin D deficient.
And the first one is this, if you are frequently ill or have infections.
If you're getting sick more often than usual, it could be a sign of low vitamin D.
And a study published in the British Medical Journal found that people with low vitamin D
were 30% more likely to get respiratory infections like the cold and the flu compared with those
with normal and adequate levels.
So it's pretty significant when you look at
if your vitamin D levels are low and how often you'll get sick.
Also, fatigue and tiredness is associated with low vitamin D.
Bone pain or low back pain and neck pain?
Vitamin D plays a major role in the health of your bones
and your joints.
And a study published in the Journal of Bone and Mineral Research
found that people with low vitamin D levels
were twice as likely to suffer from chronic low back pain.
twice as likely. And so it's very, very important as we talked about vitamin D for helping create
healthy joints, bones, and tissues, and alleviate back pain and neck pain. Also, another sign,
depression and mood swings. One of the biggest reasons why people have seasonal, effective
mood disorder. So any sort of depression or feeling down in yourself, when it comes, especially
if we're talking about non-summer months, especially getting into the winter, it's most often caused
by vitamin D deficiency.
And so if you are moving into the fall
or you're in the wintertime
or even early spring
and you're feeling just down,
likely you need to take vitamin D
and you need to get outside
as much as you can.
Even when it's cold outside,
still get a little bit of time outside.
Going on a walk,
moving outside is going to help that.
Number five, impaired wound healing.
If you have things that are not healing
as fast as they should,
or even things like age spots,
that can be vitamin D deficiency.
Vitamin D is crucial for repair of wounds.
It's also important for reducing inflammation.
It's important to prevent hair loss.
Severe hair loss or hair thinning, particularly in women,
is connected to vitamin D deficiency.
There was actually a report, a study published in the Journal of Dermatology,
and they found that women with hair loss often had lower levels of vitamin D
compared to those without hair issues.
And then there's muscle pain.
Vitamin D supports muscle recovery.
This is important for athletes as well.
well if they want to recover as quickly as possible. It's important for, as we talked about,
bone loss and osteoporosis. It's also important for preventing stress fractures in athletes.
I remember running when I was younger and I remember some people in cross country and they were
getting bone fractures these kids in high school. And most likely, yes, their training volume might
have been too high, but also in all likelihood other people, other kids had the same training
volume, they didn't get stress fractures. So it can be due to poor ergonomics or
shoes or over training, but vitamin D, according to medical studies, is often also associated
with stress fractures. And last thing here, high blood pressure and heart disease. There's some
evidence linking vitamin D deficiency to an increased risk of high blood pressure, but about a 30%
higher increased risk of blood pressure according to a study out of the American Journal of
hypertension. So there are so, so many studies. But remember generally speaking, vitamin D is most
connected to immune health, bone health, and hormonal health.
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Now, we went through the biggest warning signs, but there are other cases.
conditions that are associated with vitamin D deficiency. As I mentioned, osteopheny and osteoporosis.
Here's another big one. Autoimmune disease like rheumatoid arthritis and psoriasis are linked to
vitamin D deficiency. Cardiovascular disease due to higher levels of inflammation.
Heart disease and stroke are associated with vitamin D deficiency. Diabetes, especially type 2 diabetes,
chronic kidney disease, gastrointestinal disorders like Crohn's and ulcer of colitis.
are linked to vitamin D deficiency and obesity is linked to vitamin D deficiency.
So it's so important that we make sure we have normal and optimal levels of vitamin D.
Now, according to the NIH, the 25 hydroxy vitamin D test is the most accurate method to measure how much vitamin D is in your body.
And this measures the level of vitamin D in your blood and doctors use it to determine if you need supplementation.
Now, what they consider normal levels are 20 to 50 NG slash ML.
And lower than 20, by the way, is very low.
Let me say this.
If somebody is at like 25 or 29, that's still too low.
It may fall within the normal level, but that's still going to predispose somebody to having
low testosterone or weak bones.
And so it's not optimal.
What's optimal, according to what I personally believe, is probably closer to 50 to 75 NG slash ML.
But again, being in the 20s or even 30s, that's definitely not optimal.
Now, if you're in the 40s, you're probably okay, but I prefer people to be in the 50s and 60s or so when it comes to vitamin D levels when we're talking about the optimal range where your body is functioning at the highest level possible and you're optimizing longevity.
Now, when you're taking vitamin D as a supplement, I want to mention some things that help you better absorb vitamin D.
The first one is magnesium.
magnesium helps activate vitamin D.
So if you're low on magnesium,
you might not be absorbing vitamin D properly.
The other one is vitamin K2.
It works with vitamin D to ensure
that calcium gets directed to your bones
rather than your arteries.
And then, of course, healthy fats.
Remember, it's a fat-soluble vitamin.
Your body needs fat to absorb the vitamin.
Since vitamin D is fat-soluble,
you want to eat it with something like coconut oil
or avocado or a handful of nuts like
walnuts or a little bit of olive oil. That's going to increase the absorption. In fact,
there's a study published in the Journal of American College of Nutrition, and they found that
people that ate more healthy fats had higher levels of vitamin D absorption rates. So remember,
if you're taking a vitamin D supplement, you want to make sure it has magnesium, it has K2,
and when you take that supplement, it has healthy fats in there as well. Now, food and supplementation
is a good way for you to get vitamin D, but it's not the best way.
The best way is via the sun.
The major source of our body's vitamin D comes from our own production in our skin and
connected to the liver.
And this requires the ultraviolet rays from the sun to form vitamin D3.
Both the liver and the kidneys are needed to create the active form of vitamin D within
your body.
And a study was done in Valencia, Spain, and it measured the amount of sunlight necessary
to produce a sufficient amount of vitamin D.
By the way, Valencia is about the same latitude as Kansas City, Missouri, right kind of smack dab in the
middle of the country.
And the researchers took into account the amount of clothing and the season of year.
In spring and summer, 25% of the body, that's the hands, the face, the neck, and arms, is exposed to the sun.
And in these seasons, you need about 8 to 10 minutes of sun exposure at noon, which produces
Is there a correct amount you need daily of vitamin D?
In the winter, only 10% of the body is typically exposed,
and you nearly need two hours of sun exposure at noon
from around noon to two or 11 to one
to produce a sufficient amount of vitamin D.
And this is why I've recommended for years in the winter.
If you're not in Florida or Southern California
and outside constantly, you need to be supplementing
with vitamin D in the winter months.
Now listen, in the spring, in the fall, in the summer,
if you know you are getting a good amount of sunlight every day
and you're exposing your arms and your legs
and you're able to get that sunlight,
then you don't need to take vitamin D
unless you, well, unless you've done a blood test
and you know you're still deficient,
then some people even need to do it in the spring
and in the fall or if you live up in Canada
or northern parts of the US,
you need to typically do more as well.
But basically, you know,
So if you're getting 20 minutes of direct sunlight
on your body a day in the summer,
let's say you don't need to take a vitamin D supplement.
So here's how much time you need to actually spend in the sun
to get 4,000 to 5,000 I use daily of vitamin D,
which is a therapeutic dose.
Okay, now you can get away with 1,000 I use,
but most people want to get about 4,000 to 5,000 I use.
So if you are sunbathing in the summer
at a moderate level or late spring, early fall,
you need to sunbathe about 20 minutes in order to get the correct amount of vitamin D.
If you are during those times a year and you're going to be outside going for a walk or a jog,
something like that, just spending time outside, let's say you've got a shortened t-shirt on.
You need to spend time about one hour a day total outside.
Other things like golf where you're under a golf cart or you're in and outside here and there,
you need to be about three hours a day outside.
Okay, so obviously if you're sunbathing,
you're going to, you know, you only need 20 minutes in the sun
versus if you're walking outside,
you need about an hour a day for those optimal high levels of vitamin D there as well.
And I do want to say this as well.
There is concern in questions regarding the aging of your skin with sunlight.
I see a lot of influencers online saying you should wear,
you literally shouldn't, you should never go outside with sunscreen.
Okay.
I know quite a few influencers that say,
that in order to be as beautiful as possible, age as slowly as possible, get essentially zero sun.
I don't think that's healthy.
I don't think it's natural.
I think that the optimal is this.
You get about 20 minutes, okay, of direct sunlight.
Or here's the thing, you never want to get burnt.
That ages your skin dramatically.
That causes systemic inflammation in your body.
You never want to burn your skin.
You want to get about, again, 20 minutes of,
direct sunlight a day or be outside an hour a day. Now, I will say this. Let's say you've got your 20
minutes. Okay. So you feel like you've got a good amount. The UV is pretty high. Then cover up,
okay, or then put on sunscreen. But in most cases, you want to at least a few minutes, if not 20 minutes on
your skin before you go and totally cover up for the health of your internal organs. And I think generally
speaking, the people that I know who look very, very healthy, even into their 80s, 90s and 100 plus,
I've done a lot of research over the years on people in Okinawa, Japan,
and a lot of these people that have aged very, very well.
And one thing I can tell you about most of them is that they're not lathering on sunscreen,
and they don't have a philosophy of, I will never let the sun ever touch my skin.
The longest living people do not have that philosophy.
The longest living people, they get some sun, they spend a lot of time outdoors,
but they also cover up before they get burnt.
So that is the philosophy you want to follow when it comes to the,
longevity of your skin and the longevity of your internal organs,
maximizing your health for those vitamin D levels.
Here's a rule, by the way.
It's called the shadow rule.
The shadow rule is this.
If your shadow is longer than you are tall,
so you're standing there and you're looking down and your shadow is very long.
It's longer than you are tall.
So for me, I'm six foot, almost six one.
When I look at my shadow, it should not be over six feet.
If it is,
then that means that my body is no longer,
Even though the sun is out, okay, it's probably like five o'clock in the evening, something like that.
Okay.
Well, now I know that my body is not really getting vitamin D or creating vitamin D itself from the UV rays it's getting from the sun.
It's called the shadow rule.
And so, you know, if you're going outside at 8 a.m. or it's 5 or 6 p.m. at night, in all likelihood,
you're not getting the same vitamin D levels.
Typically, it's going to be more between 9 a.m. and probably really 3.30 p.m. for you to get the octagon level.
of vitamin D. I want to dive a little bit here into vitamin D foods. By the way, vitamin D foods are
not a replacement for sunshine. We all need to get sun and we all need to get as much as possible
without getting burnt or harming our skin. But there are foods rich in vitamin D and the highest tend
to be oily fish like salmon, sardines, tuna, and mackerel. The Journal of Nutrition found that people
who ate fish twice a week had significantly higher vitamin D levels compared to those who didn't.
Next is wild mushrooms.
In fact, one cup of Cremini mushrooms treated with UV light contains around 1,110 IU of vitamin D.
After that, it's going to be egg yolks.
One egg yolk contains about 40 IU of vitamin D.
And then beef liver.
One's 3.5 ounce serving has about 50 IUs of vitamin D.
And then cod liver oil has a little bit there as well.
But these tend to be the foods that have some vitamin D levels.
and then supplementation.
If you don't get enough sunlight
and vitamin D from your diet,
supplements can help.
Vitamin D3 is the most effective form.
And there's a large scale study done.
It was actually a meta-analysis from the Cochrane database,
and it showed that vitamin D supplements
reduced the risk of bone fractures
and older adults by 15%.
So remember, the ideal source is from the sun,
but in addition, you want to get a little bit from your food,
and you definitely want to get some from supplements
when you are not getting sunshine that day.
And you typically want to get, for adults,
around 4,000 to 5,000 IUs daily,
in kids, and now depends on the age,
but let's say 12 to 18, typically about 2,000 IU daily.
Now, if you are extremely deficient
and you take a blood test and you are, let's call it 15, you know,
or 20 on your vitamin D test,
I recommend 10,000 I use daily, 5,000 I use twice a day with breakfast and with dinner.
That's ideal.
And you also want to make sure also with that you're getting more time outside.
Almost all of us are not spending enough time outside across the board.
Way too much time on devices, not enough time outside.
So just know, generally speaking, all of us need to schedule more time outside.
Now, I want to mention something else.
there is a Chinese medicine herb that is typically recommended to support vitamin D levels
or work alongside vitamin D to support our immune systems in hormonal health.
And the herb is called astragalus.
This herb that's one of the top five prescribed herbs in all of Chinese medicine,
astragalus, is believed to improve immune function and also help with vitamin D levels.
And so that's another herb when we're going into the fall in the winter months.
I prescribe and recommend to patients constantly because it is so beneficial for so many things.
But vitamin D and taking astraglis together is really beneficial.
Also remember to absorb vitamin D.
You want to take it with magnesium and vitamin K2 and get more healthy fats in your diet
and take fat with whatever meal you're going to take that supplement.
As we talked about, vitamin D is essential for so many things.
It's essential for bone health, immune health, hormonal health, and mental well-being.
And if you're experiencing any of the signs I mentioned, whether it be weak bones, whether
it be mood disorders, whether it be a weak immune system, hormone imbalance, I want to encourage
you get your vitamin D levels checked.
It is so easy to get a vitamin D test kit sent to your home and just mail in the test.
It is that easy.
but even if you decide not to get the test,
you typically know if your vitamin D levels are low
based on some of the things I shared with you today.
And with natural light, proper diet,
and supplementation when necessary,
you can restore your vitamin D levels,
which will make a big, big impact on your health.
Remember, vitamin D is not just a vitamin,
which vitamins are important.
It's also a pro-hormone.
And this impacts every single hormone in your body.
You want to make sure your levels are normal.
If you don't think they're normal,
want to get them checked and you want to make sure you spend more time outside, that you supplement
as well. And that will make a massive, massive difference in your health. I want to say,
I've taken care of tens of thousands of patients over the years. And there have been a few.
When I had them start supplementing with vitamin D, it was like a miracle for them. You know,
I'm thinking about I had a patient who lived up in Minnesota and they were having chronic,
they had autoimmune disease, they were dealing with depression, a number of issues. We started
supplementing with 5,000 I use of vitamin D twice a day. And after two weeks, I said, I literally am a
different person. Like my mood, the way that I'm thinking, the way that I'm acting, I'm literally
a totally different person. They're autoimmune disease. Markers actually got improved by 50%.
I mean, I can think of so many people, I had a man with low testosterone. And we had him start
supplement with vitamin D. And it was the only change we made. And he took a test a couple months later
and his numbers had gone up by over 100 points.
So just know if you are deficient
and you then start supplementing
or getting more sunlight exposure,
it could be a miracle for you in your body.
Vitamin D is that powerful and that important.
If you're missing out,
you want to make sure that you are covered
and you have plenty of vitamin D.
All right, guys, I want to say thanks so much
for tuning in here to the Dr. Josh Shack show.
Remember each and every week,
we're exploring the science and principles
on how to take your health to the high,
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