Dr. Berg: Is 10,000 IUs of Vitamin D3 Safe to Take?

Is 10,000 IUs of Vitamin D3 Safe to Take?

May 24, 2020

Dr. Eric Berg DC













0:00 Vitamin D

0:32 Studies on vitamin D

1:06 It takes longer than you think to fix a vitamin D deficiency

1:30 Various things that can prevent vitamin D absorption

4:05 Vitamin D dosage

4:23 Vitamin D toxicity

Today we’re going to talk about how long to take vitamin D and vitamin D dosage. There seems to be a lot of confusion around vitamin D3 that I want to help clear up. Most people take 600 IUs to 2,000 IUs of vitamin D3, and they think that’s enough. But is it?

About 75% of the population is deficient in vitamin D. I believe vitamin D is the most important fat-soluble vitamin—especially for the immune system.

Studies on vitamin D:

1. In the first study, the group took 1,000-2,000 IUs of vitamin D 1-2 times per week for 1 month and did not increase their vitamin D levels at all.

2. In the second study, the group to 1,000-2,000 IUs of vitamin D, and it took 4 months to elevate their vitamin D.

3. In the third study, it took 3 months to achieve the normal level of vitamin D by taking 1,600 IUs of vitamin D.

• It takes a lot longer than you think to fix a vitamin D deficiency.

• There are various things that prevent the absorption of vitamin D.

Various things that can prevent the absorption of vitamin D:

• Gut damage

• Age

• Skin pigment

• Subcutaneous fat

• Sun exposure

• Metabolic issues

• Season

• Polymorphism

• Chronic infection

Vitamin D dosage:

• You may want to consider taking 10,000 IUs of vitamin D per day for maintenance, but you may want to take more if there is an autoimmune issue involved.

You would have to consume something like 100,000-200,000 IUs of vitamin D for months or years to create complications. The biggest complication of vitamin D toxicity could be hypercalcemia. …

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