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The Real Reason for a Vitamin D Deficiency

author avatar Dr. Eric Berg 11/03/2021

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Why are you really deficient in vitamin D? Find out!


0:00 Introduction: The real reason for vitamin D deficiency

0:18 How much vitamin D can you get from the sun?

0:30 Why most people don’t get enough vitamin D from sunlight alone

2:10 Share your success story!

In this video, we’re going to talk about the real reason for vitamin D deficiency.

Why is it so difficult to get enough vitamin D to maintain normal levels?

It’s virtually impossible to get vitamin D from food sources. You’d have to consume a lot of fatty fish every single day to maintain normal levels of vitamin D.

Sunlight provides about 1,000IU of vitamin D for every ten minutes of direct sunlight—but only if you:

• Live close to the equator.

• Are young (aged skin doesn’t absorb as much sunlight)

• Go outside during the middle of the day

• Are laying down with minimal clothing to maximize skin exposure

• Are outside when there aren’t any clouds or pollution to cause shade

• Aren’t obese (body fat decreases the penetration of sunlight)

• Don’t have dark-colored skin (melanin decreases UV absorption)

• Don’t have a genetic defect with your vitamin D receptors

• Don’t have any gut problems, inflammation, or microbial imbalances to block vitamin D

• Have a gallbladder and normal bile release to fully utilize fat-soluble nutrients

As you can see, it can be very difficult to get enough vitamin D naturally. Many people have issues that inhibit the absorption of sunlight and vitamin D. This is why it’s important to use a high-quality vitamin D supplement.

You want to get at least 10,000IU of vitamin D daily if you have a vitamin D deficiency.


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