Vitamin D3 for Type 2 Diabetes – You Need this Powerhouse Vitamin

Enough vitamin D sign

Is Vitamin D3 for Type 2 Diabetes a beneficial thing for you? Yes, absolutely. Vitamin D3 is beneficial for your body hands down. How many people are deficient in vitamin D? Numbers could be as high as 50%!

I only take two supplemental vitamins. B12 & D3! I take 4000 IU/daily. I’m in the sun more now living in Florida, but I don’t want to take a chance and not have enough of this super vitamin.

Why is Vitamin D3 so Healthy for you?

You really can’t take too much of it, but with 4000 IU’s, I’m ok. “D” is so important that it could be somewhat of  “reversal” or “cure” for diabetes, but there are still many other things you must address as well, such as diet and exercise. It’s not just a “take a pill” kind of solution. Nice try. LOL

Just what does Vitamin D3 do?

Glass of milk

Most people don’t realize they are deficient in this extremely important vitamin. The most important function of “D” is calcium. Mom used to say “Drink your milk, it builds strong bones!” Oh and I did drink my milk. We had so much milk delivered when I was growing up that we should have had our own cow! It was ridiculous! But too much of anything is no good for.

It helped me sleep at night too. So vitamin D3 is a fat soluble vitamin that aids in the absorption of calcium into your stomach. This helps to maintain the proper levels in your blood such as low blood sugar and high blood sugar which in turn help to promote bone growth and bone health and cholesterol as well.

I just want to mention that other functions are in assisting with your immune system, growth of cells, and controlling inflammation and high blood pressure. Maintain a healthy blood pressure. How important is your immune system? Well, it’s your body’s defense against stress and it protects you from illnesses and infections and aids in muscle functions.

Vitamin D can also help lower the risk for elderly folks in falling down. We sure don’t want to worry about that happening! You’ll want to watch your weight with diabetes too. This is something that should be a no-brainer! Keeping the weight down is important.

Vitamin D deficiency

Certain medical issues and medications can be caused by a “D” deficiency:

  • Being obese which can add to back pain. You don’t want your body mass index to be over 30 because this could be a sign of low vitamin D levels. Get rid of the belly fat too.
  • Age. With age, our skin’s ability is lessened to make vitamin D.
  • Celiac disease
  • Cystic fibrosis
  • Crohn’s disease……All three of these diseases prevent your intestines from absorbing enough “D”
  • Being mobile. If you’re inactive, housebound, in a facility or rarely outside to get enough sunlight.
  • Liver or kidney diseases. The body needs an enzyme to change vitamin D into a form that’s usable by your body and these two diseases reduce the amount of this enzyme.
  • Color of skin. Lighter skin color makes vitamin D easier than darker colored skin.
  • Laxatives
  • Cholesterol lowering drugs
  • Weight loss drugs
  • Steroids

You don’t want low levels of vitamin D3. Once you’re aware of it, you an address it knowing all the facts. It’s very unhealthy to be deficient in any vitamin, but this is the vitamin that can help you the most with so many diseases such as diabetes in my opinion. You also want to know your blood sugar numbers and monitor them closely with diabetes. And always check with your doctor before you do anything. This is common sense.

Sources of Vitamin D



The #1 and best source of vitamin D is the SUN! When you’re out and exposed to the sun, your skin produces vitamin D. It does make a difference as to the conditions as far as what season it is, where you’re located, what particular time of day that you’re out in the sun because the sun’s rays are strongest during the hours of 10 am and 3 pm. I see that very well living here in Florida. Your skin produces vitamin D when it’s exposed to the ultraviolet light that the sunlight gives off.

You ‘ll want to get between 15 minutes and 2 hours of sun exposure to your entire body (almost)daily if possible. You certainly don’t want to burn either. Darker skinned people might need closer to the 2 hour range.

So let’s remember too, that you don’t want to increase your risk of skin cancer, so using sunscreen with a SPF of a minimum of 30 is advised. If getting enough sunlight isn’t feasible, we can turn to other sources as alternates. They may not be as good as the sunlight, but at least you can still get your “D” that you desperately need.

Foods for Vitamin D

  • Liver
  • Cheese
  • Yogurt
  • Egg yolk
  • Orange juice fortified with vitamin DEggs
  • Tuna
  • Sardines
  • Swordfish
  • Mackerel
  • Cereal
  • Milk
  • Soy milk
  • Shrimp
  • Oysters
  • Mushrooms
  • Apple cider vinegar

This should get you started. These are rich in vitamin D3, but like everything else, don’t overdo it. Balance your meals. These shouldn’t be the only foods you eat.

Health issues for not enough and too much “D”

What happens if you don’t get enough of this vitamin? Low levels in children can result in rickets. Rickets is a defective mineralization or calcification of bones. In adults, there’s a disease called osteomalacia. (softening of the bones).

If either of these are not addressed and treated it can lead to bone pain, muscle pain, and soft brittle bones. This can be an extremely bad situation that nobody should experience. Please get enough vitamin D3! I take supplements too.

Here is a chart of what you should need daily:

  • Children 1-3 years: 600 IU/daily-stay under 2500 IU/daily
  • Children 4-8 years: 600 IU/daily-stay under 3000 IU/daily
  • Anyone 9 and over: 800 IU/daily-stay under 4000 IU/daily

These aren’t the exact numbers that are written in stone, but this gives you a guide.

What happens if you get too much of vitamin D3?Vitamin D crunch


  • Itching
  • Weight loss
  • Poor appetite
  • Nausea
  • Vomiting
  • Constipation
  • Heart rhythm issues
  • Kidney damage

Ok, this should be self explanatory, but I’ll say it anyway. Just get the correct amount of vitamin D3 and discuss it with your doctor. There’s too many consequences for being on the low or high end. Do it right, but do it.

How is vitamin D3 connected with type 2 diabetes?

Type 2 diabetes is associated with obesity. I’m sure you know that already. It’s no surprise to me, so it shouldn’t be to you either. So what happens? It’s more difficult for your body to link to vitamin D3. Many reports and studies have indicated that a high level of “D3” can protect against diabetes.

In a nutshell? A lack of insulin or an insensitivity to it results in type 2 diabetes.

  • A higher level of vitamin D3 can mean a lower risk of type 2 diabetes.
  • I take 4000 UI/daily of this vitamin and studies are ongoing with it’s benefits against diabetes too.
  • Issues such as lower A1C levels, lower levels of LDL-C, improved blood pressure control, and higher levels of HDL-C are controlled by vitamin D3.

Vitamin D3 benefits

  • Regulates our immune system which can help to fight off Covid -19.
  • Lowers the risk of various types of cancers
  • Reducing the risks of rheumatoid arthritis in females
  • Aids in weight control and weight loss
  • With a strong immune system it lessens problems with breathing and asthma conditions
  • Superhero in protecting your bones
  • Less brain and memory fog

I can’t say enough about this vitamin. It’s not one that is in many foods, but getting out in the sunlight has never been more important to your health. I try to get enough sun and here in Florida is fairly easy so I have no excuses. I get out on my bike most days and if I can’t get outdoors, then I hop on my exercise bike instead. Besides, wouldn’t you be happier with a sunny day than a cloudy rainy day? I know I would and I am!

And finally?

I hoped you enjoyed this article because this is extremely important and I desperately wanted to share it with you. Vitamin D3 for Type 2 Diabetes is important for diabetes but if you find that you need additional help with your blood sugars, this will work! If you have any questions about Vitamin D3 and diabetes, please leave a comment below. I appreciate it. Thank you!


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Home » Health Tips » Vitamin D3 for Type 2 Diabetes – You Need this Powerhouse Vitamin

Rob Sciubba

Rob Sciubba - Founder of

Rob is an blogger who has type 2 diabetes and wants to spread the word treating diabetes. For the past 3 years he has provided valuable information about diabetes and lowering blood sugars and continues to offer additional ways to treat diabetes.

If you’re serious about treating your diabetes and lowering your blood sugars the natural ways, then you will learn from his website.

24 thoughts on “Vitamin D3 for Type 2 Diabetes – You Need this Powerhouse Vitamin”

  1. Hi Rob
    In my neighbourhood, I don’t see the kids playing anymore in the streets. They are either playing XBOX or on the computer or iPad. Its sad because they are not outside playing and enjoying the sunlight.

    As result they miss out on getting their daily doses of Vitamin D. What makes it worse is that the ‘junk foods,’ which lots of people now turn to don’t provide any of this essential Vitamin D.

    Thanks for the list of the important foods, this is a great help. I will be sharing this important article with my family and friends.

    • I agree Roopesh. I was always outside playing when I was a kid, so I always got a lot of sunshine. But I was guilty of eating junk food like all kids were. The right foods along with exercise and vitamin D are really beneficial for diabetes and good health overall.

  2. Wow I didn’t know that. 15mins to 2hours of sun per day if possible? It certainly makes sense though. I will take this into consideration because I know I don’t get enough sun on a daily basis but I will definitely make an effort now. Thank you for sharing this information Rob.

    • 15 minutes is all we really need, but don’t always get. The sun gives you your vitamin D and puts you in a happier mood too so why not soak it up? Of course you don’t want burning and skin cancer so just be careful.

  3. I have heard of the beneficial effects of Vitamin D sythesis, especially in the disease process of diabetes. Thank you very much for your informative article, I know that that this information is key for the disease process, being a Registered Nurse. I would encourage you to continue to enlighten the public on this subject matter. Take Care, Heather.

    • Vitamins are important for us but my opinion is that vitamin D is so underrated. I wrote this article because “D” has so many benefits that we really can’t be without. Love sunny days to get my vitamin D and it cheers me up!

  4. Hey Rob

    Great website and a very relevant topic. At the moment about 29.1 million Americans have diabetes and a further 80 million are pre-diabetic. Diabetes is becoming a problem worldwide and informative websites like this is much needed.

    I do agree that vitamin D should become part of ones diet together with exercise in the quest to reverse type 2 diabetes. I especially liked the sources of vitamin D section. Who would have realized that the sun was the cheapest and best source of vitamin D.

    Best wishes

    • Thank you and I’m passionate about what I write about because it’s a very important health issue in life today. It’s not just about diabetes but our overall health that’s concerning. Vitamin D shouldn’t be hard to get if you get at least 15 minutes a day a few days a week anyway. Who doesn’t like free? You can’t put a price on your health so even if it costs something, the price of ill health is way more, don’t you think?

  5. Your site is very interesting
    you site gives insight about Vitamin D benefits and its effects if it is lacis
    I am very Admiring by reading your site
    Overall your site is more informative

    I Suggest drinking milk helps to get vitamin D

    And it helps to reduce body heat

    And it wipe the heat of the body

    So drink milk daily

    • Thank you but I’m not saying that everyone has to drink milk everyday. Some people don’t like milk or can’t drink maybe because they are lactose intolerant. But there are other foods and other ways to get the daily amount of vitamin D that we require. The sun is still the best way to get your vitamin D. It’s just so important to get it no matter how your body receives it.

  6. This is the first time i am hearing of a link between vitamin D and diabetes. Very interesting indeed. To be honest, I really never thought much about vitamin D at all. From I was a child I learnt that you get it from sunlight so because I am exposed to sunlight daily, I never gave it another thought.
    I did hear a story recently about a woman who was extremely ill. She could hardly walk. She went to several doctors but to no avail. Well she took matters into her own hands and cured herself by going out in the sun for a few hours every day. Amazing isn’t it? I really need to start paying attention to this vitamin D.

    • Any vitamin is important for our bodies. Most vitamins we get from healthy foods and other sources. For me, the two most important vitamins are B12 and vitamin D! Most people don’t even know they are deficient in vitamin D. This is crucial for our health in so many ways, not only being healthier but avoiding diseases as well. It helps against diabetes, that’s why I take 1000 IU of D3 every day.

  7. Howdy Rob,

    I appreciate with some knowledge that you shared here. It is not just helpful, but also very important. Micro nutrients are very underrated these days. I would like to relate this particular statement with the diet and nutrition these days.

    People would just go for McDonald as a staple food as oppose to whole, natural foods which they should be having. Yes, you can eat them everyday and lose weight and fat but health wise? Well being? Character? It could affect adversely in significant way. It’s great that you raise up this awareness.

    By the way, it is becoming a hobby of mine to know more about nutrition online, though articles, blogs and videos on Youtube. Anyways, that is it. Cheers!

    • Hey Tar, yes nutrition is important and I make sure I eat the right foods and try and learn more every day about health and nutrition because as we get older, it’s not as easy to remain in great health. For me, vitamin D is crucial to our bodies well being. Most people are deficient in this vitamin and should make sure they have enough of it for their body. Onward!

  8. I’ve only learned that Vitamin D is really important to consume over the past couple of years. My doctors discovered I had a low Vitamin D level in which they prescribed me high doses for a couple of months and after that wanted me to take daily supplements. My doctors also told me it may have been contributing to my low energy levels. Since I’ve been taking vitamin D, my energy level has gotten a little bit better. Thanks for the article and the information!

    • It’s good that you had it checked. Vitamin D is very beneficial for so many things including diabetes. It’s important to take care of ourselves and as far as I’m concerned? Anytime someone can offer advice that will help me, I appreciate it. You’re welcome and good luck!

  9. It is an informative article on effects of Vitamin D. Now a days all the activities from traveling to daily jobs to physical exercise are carried out under a roof, which is why we are missing out the sole abundant natural sources of Vit D from the SUN. So, supplementing it is the best solution. I know Vit D help reduce fat, but I didn’t thought that far that Vit D could help lower high sugar level, hence benefit people with diabetes. Thank you for the detailed info on Vit D especially its benefits for diabetes clients.

    • I agree that so many things including work occur inside and we don’t get the opportunity to be outside as much. We all prefer the sun but at least we have alternatives. Of course diet and exercise are extremely important to good health. I used to drink a lot of milk as a child. Now I get the sunshine whenever I can. Check your Vitamin D lebels

  10. Hi Rob. What a great read!
    I always knew Vitamin D was crucial but I didn’t know the true extent of the adverse affects a deficiency has on our bodies.
    I try to spend as much time outside as possible, but with working indoors and using a gym instead of running or walking outside; I am not spending as much time in the sun as I should. I think the same goes for many of us.
    The list of Vitamin D foods is a huge bonus, thank you!

    • I don’t think many people realize how important Vitamin D is for us. The sun is the best option, but getting vitamin D from other sources works too. Let’s get those “D” levels checked! It helps with diabetes.

  11. hello there
    This is the first time i am hearing of a link between vitamin D and diabetes.I appreciate with some knowledge that you shared here. It is not just helpful, but also very important. I would like to relate this particular statement with the diet and nutrition these days.I know Vit D help reduces fat, but I didn’t know that Vit D could help lower high sugar levels, hence benefit people with diabetes. Thank you for the info

    • Hi. I believe that vitamin D is about the most important vitamin that we need on a daily basis. It has so many benefits as listed. But as far as sugar levels? It impairs insulin secretion and that correcting vitamin D status restores the function. In addition when insulin is released, it makes contact with insulin receptors on your cells to lower your blood glucose. I take 1000 IU of vitamin D everyday.

  12. Hi,

    This is a great post. I knew vitamin D was important but I was not aware that it impacts on blood sugar as well.

    So sad these days that something as simple as sun exposure is not being utilized to improve health.

    Great job spreading the word.

    I had heard somewhere that D is actually a hormone? Do you know anything about this?

    • First off let me say thank you for your time and your comments. Vitamin D has so many benefits as I’m sure you read in my article. It does affect diabetes and your blood sugar. The more we learn and the more knowledge we obtain, the better we are at fighting and treating diseases. And you are correct. Even though it’s always called vitamin D, it actually is a hormone and not a vitamin. Thank you for bringing it up!


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