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Is it dangerous to take high amounts of vitamin D3? Here is what you should know.
Every cell in the body has receptors for vitamin D, and the functions of vitamin D are vast. Vitamin D isn’t even really a vitamin. It’s a hormone. It acts very similarly to cortisol (another hormone) as an anti-inflammatory but without side effects.
I’d like to talk about the risks of taking 10,000 IUs of vitamin d 3 .
Sounds like a lot , 10,000 .
What does “IU” stand for?
Just so you know very briefly , IUs stand for international units .
So 10,000 international units of vitamin d is equivalent to not even 1 milligram , Not even a half a milligram .
It’s actually 1 quarter of 1 milligram .
Point 25 milligrams , which is 250 micrograms .
a person really needs 10,000 IU of vitamin D3 as a maintenance dose. This has to do with there being a lot of different things that stop vitamin D from going into your body.
That’s 10,000 international units of vitamin d 3 .
Are high amounts of vitamin D3 dangerous?
So is there a risk of taking that much ?
I think there’s a bigger risk of not taking that much .
Let me explain .
I recently found some information that literally blew me away , and I think it’s gonna blow you away too .
But first , let me just give you a little foundation of what we’re talking about .
The great majority of us are deficient in vitamin d .
Now , I guess the conflicting information is that the RDAs of vitamin d is between 600 to 800 international units .
And now we’re talking about taking 10,000 ?
It sounds like a huge gap , but what you have to realize is that 600 to 800 IUs is based on old research relating to preventing osteoporosis bone loss .
It’s not updated and correlated with all the new information related to the benefit of vitamin d for your immune system .
What’s even more wild is that vitamin d is not really even a vitamin .
However, as a precaution, be sure to consume plenty of water (2.5 liters a day), take other nutrients that support vitamin D absorption, and take nutrients that protect you against hypercalcemia (the main potential toxic effect).
It’s a hormone , and it acts very similar to cortisol as an anti inflammatory , but without the side effects .
Every cell in your body has receptors for vitamin d .
The functions of vitamin d are very , very vast .
How much vitamin D you need and why
But I want this topic to focus mainly on why , you need as a maintenance dose 10,000 IUs .
It really has to do with the barriers of absorption .
You have a lot of things that are stopping vitamin d from going into your body .
You have , the sun , like people don’t get enough sun or sun exposure to their skin .
They don’t go outside as much .
And if they’re going outside with a shirt on and just getting exposure to their face , you’re not gonna even get close to the amount that you need .
And , also , it’s almost impossible to get enough vitamin d from the foods that we eat .
Even if you eat fatty fish and cod liver oil and egg yolks , which are higher in vitamin d 3 , you’re still not gonna reach the levels that you need .
Then you have people that are overweight .
The more fat , right beneath your skin , the harder it is for the sun to penetrate to create the vitamin d necessary .
Then we have metabolic syndrome .
If you have diabetes or you have insulin resistance , vitamin d doesn’t go in that well .
The older you are , the skin becomes , thicker , and it’s harder to get your vitamin d .
The more pigment you have , in other words , the darker your skin , the less vitamin d absorption you’re gonna have .
And also the more problem you have with the gallbladder or the liver .
Let’s say you have a fatty liver , the less absorption of vitamin d you’re gonna have .
Because you need bile to help you absorb vitamin d from the food as well as from a supplement because it’s a fat soluble vitamin .
And the more kidney problems you have , the less vitamin d you’re gonna have as well .
So the way it works is you have these precursor or inactive , vitamin d compounds that have to be converted to the active form of vitamin d .
And they go through various steps , but there’s a 2 primary steps .
1 through the liver , and one through the kidney to eventually get this active form of vitamin d 3 .
It then has to be absorbed in your receptors , and those receptors are called vitamin d receptors .
And if you have an infection , like a viral infection , these viruses can trick your body by downgrading the receptors and preventing you from absorbing vitamin d 3 .
So that’s another barrier .
If you’re immune compromised or you have an immune system problem , the amount of vitamin d you’re gonna need is gonna have to be a lot more to penetrate that resistance that the virus has strategically , created for you .
And when they do a blood test for vitamin d , they’re not testing the active form of vitamin d .
They’re testing the inactive form .
And the reason why is because if they tested the active form , there’s a lot of problems with that .
Number 1 being that it has a very , short half life .
Like , I think it’s , 4 to 6 hours compared to 2 to 3 weeks for the inactive vitamin d 3 .
And , also , the active form of vitamin d 3 is a 1000 times less than the inactive .
So , apparently , you have a lot of inactive vitamin d sitting there waiting to be converted .
And , also , when you’re deficient in the inactive version of vitamin d 3 , your body will then compensate and make more of the active vitamin d 3 .
So if you tested the active vitamin d 3 , and it shows up normal , it doesn’t really give you a lot of information .
So this is why the inactive form is tested , but this next thing is gonna blow you away .
And this relates to your genes .
I’ve been recently involved in a lot of research in genetics looking at , what’s called polymorphisms , which are alterations in certain genes that make you more susceptible to having problems with certain illnesses .
But there’s 3 polymorphisms that are routinely tested when you do your DNA test that I need to talk about .
Because , in the last , I would say , several months , I tested their DNA .
They’re mainly friends and family members , and I wanted to just get experience , in this topic , and testing real people is a very good way to do that .
And check this out .
This is just related to vitamin d .
Out of the 21 people that I tested , 100% of them had at least one problem with vitamin d absorption .
In other words , they had at least one genetic issue with their vitamin d , which is another barrier that I don’t think is really acknowledged or even known .
It could be the next 21 people I test don’t have a problem with vitamin d , but with this small sample , there was 21 out of 21 people that had a problem .
Relating to vitamin d genes , in the first gene , it was called the , cyp2r1 .
And out of all the 21 people tested , 90% of them had a problem with this gene , and 38% of that group had a major problem with that polymorphism or mutation .
And this gene is one of the 2 steps in the conversion from the inactive to the active and occurs in the liver .
So in other words , if you have a problem with this gene , you’re gonna have a problem in converting the inactive form to the active form .
Now let’s talk about the other two genes .
These other two genes were involved with transportation , like binding to a protein and transporting this vitamin d throughout your circulation .
And out of all 21 , in the first transporter gene , there was , like , 61% of the people that had a problem with that one .
And then with that second transporter , there was , like , 76% of the people that had a problem with that gene .
So a lot of people didn’t have a problem just with one gene .
It was all three genes .
So if we take this genetic alteration on top of all these other barriers , now we can see 10,000 IUs is not gonna be toxic at all .
In fact , it’s gonna be necessary to penetrate some of these big barriers that people are up against .
What is considered a toxic amount of vitamin D?
That being said , how much vitamin d does create a toxicity effect ?
Well , that’s still in debate , but , based on all the research that I looked at , it would take 100 of 1000 of international units of vitamin d for months before it created a toxic effect .
And that toxic effect is primarily hypercalcemia , and the risk of that problem is mainly kidney stones .
So just as a precautionary step , if you’re drinking , 2 and a half liters of fluid a day , that decreases your risk big time of getting a kidney stone because you’re gonna keep the urine diluted .
And then on top of that , if you take some of the supporting nutrients that allows , vitamin d absorption as well as the function of it , and also factors that protect you against hypercalcemia , like vitamin k 2 , magnesium , b 6 , zinc , then that puts you even in a safer range .
And one last point about getting your blood tested with vitamin d , to date , there’s still no , consensus , from the entire medical community on what those values should be .
By most doctors , is between a 150 to 200 nanograms per milliliter .
But , again , when they do a blood test , they’re looking at the inactive vitamin d .
They’re not looking at the active vitamin d , and they’re also not looking at what happens , in the vitamin d receptor absorption into your cells .
We’re not looking at that level .
If you also have a genetic problem in the vitamin d receptor , or you have an infection , some virus that’s downgrading that vitamin d receptor , or even you have an autoimmune disease that has this downgraded vitamin d receptor , you might need much , much higher levels of vitamin d 3 than 10,000 IUs .
DATA:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2665033
Key Points:
- Essential Role: Vitamin D3 is crucial for overall health and functions more like a hormone than a vitamin.
- Common Deficiency: Many people are deficient in vitamin D due to factors such as lack of sun exposure, obesity, metabolic issues, age, skin color, and genetic factors.
- Recommended Dose: The recommended daily maintenance dose of vitamin D3 is around 10,000 IUs for most individuals.
- Safety of High Doses: High amounts of vitamin D3 are generally not considered dangerous for most people and are often necessary to overcome absorption barriers.
- Vitamin D Toxicity: Toxicity is rare and typically occurs with extremely high intakes (around 100,000 IUs) over several months.
- Hypercalcemia Risk: The main concern with vitamin D toxicity is hypercalcemia, which can lead to kidney stones.
- Consult Healthcare Providers: It is important to consult with a healthcare provider before taking high doses of vitamin D3, especially if you have underlying health conditions or genetic factors affecting absorption.