High Dose D3: Dr John Campbell Cites Study: Taking 5,000 to 50,000 IUs/day Appears To Be Safe Long Term | Dr Eric Berg DC Talks 10,000-20,000 IUs/day & Higher For Chronic Fatigue
Dr Campbell takes 8000 IU/day D3 with 200 mcg K2.
Vitamin D doses
May 15, 2023 Dr. John Campbell
Daily oral dosing of vitamin D3 using 5000 TO 50,000 international units a day in long-term hospitalized patients:
Insights from a seven year experience
https://pubmed.ncbi.nlm.nih.gov/30611...
Dayton and Cincinnati, Ohio
Vitamin D3 is a hormone produced in the skin, in amounts estimated up to 25,000 international units (IUs) a day, by the action of UVB radiation
Vitamin D deficiency is common, lack of adequate sun exposure to the skin, vitamin D is present in very few food sources.
Deficiency is strongly linked to increased risk for a multitude of diseases, several of which have historically been shown to improve dramatically with either adequate UVB exposure to the skin, or to oral supplementation with vitamin D. These diseases include asthma, psoriasis, rheumatoid arthritis, rickets and tuberculosis.
All patients in our hospital have been routinely screened on admission for vitamin D deficiency, since July 2011 offered supplementation to either correct or prevent deficiency.
We have admitted over 4,700 patients
(vast majority agreed to supplementation) 5000 or 10,000 IUs/day.
125 micrograms or 250 micrograms
Due to disease concerns, a few agreed to 20,000 to 50,000 IUs/day.
500 micrograms to 1, 250 micrograms (1.25mg)
There have been no cases of vitamin D3 induced hypercalcemia, or any adverse events attributable to vitamin D3.
Three patients with psoriasis
Marked clinical improvement using 20,000 to 50,000 IUs/day
Analysis of 418 inpatients on D3 long enough to develop 25OH D3 blood levels less than 74.4 ng/ml, showed a mean 25OH D3 level of 118.9 ng/ml (range from 74.4 to 384.8 ng/ml)
Average serum calcium level in the vit D group of 418
9.6 mg/dl
Range of 8.6 to 10.7
(Normal 8.5 to 10.5)
Average serum calcium level in the non vit D group of 777
Mean 25OHD3 level of 27.1 ng/ml
9.5 mg/dl
Range of 8.4 to 10.7
Parathyroid hormone levels
A parathyroid hormone is released in response to low calcium levels
24.2 pg/ml in D3 users
30.2 pg/ml in non-D3 users
In summary
Long-term supplementation with vitamin D3 in doses ranging from 5000 to 50,000 IUs/day appears to be safe.
Conclusion
Daily oral intake of vitamin D3 ranging from 5000 IU/d to 60,000 IU/d for several years was well tolerated and safe, in both our patients and staff.
The mean 25OHD blood levels in our patients appear to take around 12 months to plateau on 5000 IU/d and 10,000 IU/d.
The average 25OHD values
Patients taking 10,000 IU/d at 12 months = 96 ng/ml
Then retested at 16 months = 97 ng/ml
Currently considered upper limit of normal, 100 ng/ml
Conflicts of Interest
The authors have no conflicts of interest to disclose.
Funding
This research was performed without external funding.
10:10 parathyroid hormone is released in response to low calcium levels and it is considerably higher in non D3 users 30.2 pg/ml than in D3 users 24.2 pg/ml.
10:37 author summarizes: long term supplementation of D3 in range from 5,000 to 50,000 IU/day appears to be safe. daily oral D3 doses from 5,000 to 60,000 IU/day for years in staff & patients was well tolerated. and at 5-10,000 IU/day oral, it took 12 months of climbing before D3 plateaued. this indicates the reserves were so low it took a year before reaching the levels the body needed it at.
12:38 health authorities around world should increase recommended amounts of D3; current amounts are way to low.
13:00 i currently takes 8000 IU D3 with 200 mcg K2.
These Vitamin D Mistakes Are Bad
Nov 15, 2024 keto lifestyle - Dr Eric Berg DC
What is the correct way to take vitamin D? How much vitamin D should I take? In this video, I’ll go over some common vitamin D mistakes, cover the facts, and dispel some of the vitamin D myths you may have heard. Discover the correct way to take vitamin D.
0:00 Introduction: Vitamin D facts
0:20 Vitamin D and magnesium
1:00 Vitamin D side effects and magnesium deficiency
1:38 Other common vitamin D mistakes
2:37 Vitamin D dosage
3:21 What about vitamin D toxicity?
5:01 Vitamin D2
5:39 Medications and vitamin D absorption
DATA: https://ajcn.nutrition.org/article/S0...
http://www.vitamindprotocol.com/vitam...
Dr. Bruce Hollis Full Interview Video: Your Body Is BEGGING for Vitamin D!!
Vitamin D Toxicity:
VITAMIN D IS WORTHLESS
Is it Safe to Take 10,000 IUs of Vitamin D3?
Is It Safe to Take 10,000 IU of Vitamin D3...
Vitamin D is the most important vitamin! It’s a fat-soluble vitamin involved in 10% of our genetics.
Vitamin D won’t work unless you have enough magnesium, the second most important nutrient. Magnesium is involved with 300 different enzymes and plays a vital role in regulating excess calcium. Magnesium glycinate supplements have the best absorption rate.
The more vitamin D you take, the more magnesium you’ll need. Some negative side effects associated with vitamin D, such as nausea, heart palpitations, muscle cramps, and headaches, are actually symptoms of a magnesium deficiency.
Don’t take vitamin D without the important cofactor, vitamin K2. Vitamin D helps you absorb calcium, but you need vitamin K2 to drive it into the bones and teeth to keep it out of the soft tissues.
Vitamin K2 is best for calcium buildup. Take 100 mcg of vitamin K2 for every 10,000 IUs of vitamin D3.
Zinc is another important cofactor that helps you convert cholesterol into vitamin D. If you’re taking 10,000 IU of vitamin D, you should also take 20 mg of zinc.
One of the biggest vitamin D mistakes is not taking enough! You need at least 6,000 to 10,000 IU of vitamin D3 every day. Vitamin D2 does not work like vitamin D3.
The vitamin D detected in the blood is not the active form. This means you could have normal blood levels of vitamin D but still have vitamin D deficiency.
Statins and steroids can inhibit your ability to make vitamin D and its ability to work in your body. The best time to get vitamin D from the sun is between 10 a.m. and 2 p.m.
When using high doses of vitamin D, always check with your doctor. High doses of vitamin D can increase blood/urine calcium levels resulting in calcium deposits in the kidney. Also drink 2.5 liters of fluids per day, take cofactors with vitamin D (magnesium, K2 and zinc) and have your doctor monitor your PTH, vitamin D blood levels and creatinine and avoid excess calcium supplements of high calcium foods when taking vitamin D levels over 10,000 IUs.
5:40 statins interfere with cholesterol and vitamin D comes from cholesterol, so you get sabotaged by the medical establishment and pharma industry.
My Vitamin D Levels SUCKED for Decades
Dec 1, 2024 keto lifestyle - Dr Eric Berg DC
Low vitamin D can put you at risk for cancer, autoimmune diseases, and all sorts of health problems. Find out about the low vitamin D symptoms to look out for and the truth about vitamin D dosage.
0:00 Introduction: Vitamin D and inflammation
1:18 Blood vitamin D levels
1:35 Barriers to vitamin D absorption
2:34 How much vitamin D should I take?
3:43 Vitamin D3 research
5:32 What about vitamin D toxicity?
7:27 Vitamin D dosage
Dr. Bruce Hollis Full Interview: Your Body Is BEGGING for Vitamin D!!
Coimbra Protocol Trained Doctors: https://www.hsctstopsms.com/simple-ov...
What Vitamin D Serum Level Should We Target, for What?
Watch This Video: https://drbrg.co/4fsoKeM
DATA:
https://www.grassrootshealth.net/blog...
https://academic.oup.com/jcem/article...
https://pmc.ncbi.nlm.nih.gov/articles...
https://pmc.ncbi.nlm.nih.gov/articles...
https://pubmed.ncbi.nlm.nih.gov/17488...
https://pubmed.ncbi.nlm.nih.gov/24494...
https://pubmed.ncbi.nlm.nih.gov/21993...
https://pubmed.ncbi.nlm.nih.gov/26305...
https://www.cam.ac.uk/research/news/v...
Did you know you could have normal blood vitamin D levels but still have a vitamin D deficiency?
Vitamin D resistance interferes with vitamin D levels and vitamin D absorption. Genetic problems, Lyme disease, and certain infections downgrade the vitamin D receptor. A deficiency in zinc, magnesium, or vitamin K2 will inhibit vitamin D function in the body. High cortisol, darker skin, diabetes, obesity, and other health conditions will also affect vitamin D absorption.
The RDA for vitamin D is only 600 IU when you actually need 8,895 IU every day! Research has shown that low vitamin D levels increase your risk for viral infections. People with tumors and cancer have been found to have low vitamin D.
New research has shown the benefits of vitamin D for autoimmune conditions. Dr. Coimbra from Brazil has used high vitamin D levels to treat patients with autoimmune conditions, and the results have been amazing. Another doctor using high doses of vitamin D3 has over 900 video testimonials of improvement in people with autoimmune diseases.
One eye doctor in Germany wrote a book about using high doses of vitamin D3 for glaucoma and other eye-related problems. “The Pharmacological Basis of Therapeutics 4th Edition” addressed vitamin D resistance and vitamin D dosage of 50,000 IU to up to 500,000 IU!
Vitamin D allows you to absorb more calcium, so when you take high doses of vitamin D, make sure you’re not consuming calcium supplements. Take vitamin D with magnesium because it helps regulate calcium.
When using high doses of vitamin D, always check with your doctor. High doses of vitamin D can increase blood/urine calcium levels resulting in calcium deposits in the kidney. Also drink 2.5 liters of fluids per day, take cofactors with vitamin D (magnesium, K2 and zinc) and have your doctor monitor your PTH, vitamin D blood levels and creatinine and avoid excess calcium supplements of high calcium foods when taking vitamin D levels over 10,000 IUs.
11 Bizarre Symptoms of Vitamin D Deficiency (You NEED to Know)
Sep 8, 2024 keto lifestyle
Find out about some of the bizarre symptoms you might experience if you have low vitamin D.
DATA:
Is Free 25OH Vitamin D The Next Generation... https://www.ncbi.nlm.nih.gov/pmc/arti...
0:00 Introduction: Common vitamin D deficiency symptoms
1:30 11 surprising vitamin D deficiency signs
5:56 Vitamin D3 deficiency explained
9:40 How much vitamin D should I take?
13:30 Take vitamin D3 with the cofactors
Today, I’m going to tell you about some of the symptoms that you probably didn’t know were related to vitamin D deficiency. The most common signs that you’re vitamin D deficient include lower back pain, depression, high blood pressure, inflammation, and autoimmune diseases.
Blood tests only show you the inactive form of vitamin D and don’t tell you about vitamin D at the cellular level. Instead, look out for some of the surprising signs of vitamin D deficiency.
1. Head sweating
This is typically seen in infants but can also be seen in teenagers and adults.
2. Sweating more at night
If you’re vitamin D deficient, you may sweat excessively, even if the room is cool. You might also wake up with a moist pillow.
3. Mood swings
Vitamin D controls mood regulation, so if you’re deficient, you could experience a range of moods in a short time.
4. Procrastinating
If you constantly put things off for later, you could be vitamin D deficient!
5. Panic attacks
Low vitamin D levels can cause panic attacks, so try taking high doses of vitamin D3 if you’re experiencing them.
6. Achiness
Achiness in the pelvis, lower back, hips, and upper legs is often a sign of low vitamin D.
7. Loss of muscle strength
If you have low vitamin D, you won’t have enough calcium in the muscles. Calcium allows the muscle to contract and is also involved in muscle production.
8. Stiffness
Stiffness related to vitamin D deficiency usually occurs in the knees and fingers. This is related to inflammation, weakened cartilage, and weakened collagen.
9. Chronic fatigue
Vitamin D supports your mitochondria, the energy factories of the cell. Without enough vitamin D, you can’t make energy.
10. Slowed down thinking
Vitamin D deficiency can cause diminished cognitive function.
11. Difficulty feeling satisfied
If you’re vitamin D deficient, you might not feel satisfied after eating, and you’ll have a tendency to overeat.
Consider taking around 10,000 to 20,000 IU of vitamin D3 per day, along with the cofactors magnesium, vitamin K2, zinc, and vitamin B6.
When using high doses of vitamin D, always check with your doctor. High doses of vitamin D can increase blood/urine calcium levels resulting in calcium deposits in the kidney. Also drink 2.5 liters of fluids per day, take cofactors with vitamin D (magnesium, K2 and zinc) and have your doctor monitor your PTH, vitamin D blood levels and creatinine and avoid excess calcium supplements of high calcium foods when taking vitamin D levels over 10,000 IUs.
5:08 #9 chronic fatigue has a lot to do with mitochondria in your cells and how critical vit D is for them to produce energy.
9:30 you can test your blood vit D and if it’s 30 or less, i’d take 10,000 to 20,000 IUs until you get your levels a bit higher.
11:33 chronic fatigue.. without vit D, you’ll have dysfunctional mitochondria. and your immune connection can also make you prone to certain viruses reactivate out of remission. if i had stress-induced chronic fatigue ex mourning a loss, i’d take 50,000 IU a day to pull yourself out of chronic fatigue syndrome.
cancer and vitamin D
Aug 13, 2025 Dr. John Campbell
More insights on preventing and treating disease at very low cost with oncologist and virologist, Professor Angus Dalgleish
0:44 if someone has cancer and they are low vit D, it’s pointless treating cancer patients until you supplement them on vit D and get them to a decent level before starting immune therapy.
3:26 i had a guy whose vit D was so low we couldnt measure it. to improve his outcome all we had to do is improve his vit D before starting his therapy. and it’s not mentioned in these protocols.
3:40 this is a problem of big pharma driving the protocols. they’re not interested in vit D. the data is so strong it’s negligent to not measure and correct vit D levels before you start treating a cancer patient.
5:22 the only patients that respond to chemo therapy all had decent vit D. 100 nanomoles/liter (40 mg/mil) is the minimum and the normal range goes up to 200 nm/l with zero side effects.
8:25 4 papers show good vit D levels to be far more effective against the flu than flu shots.