Vitamin A: Sources, Functions, and Deficiencies – Dr. Berg

Learn more about the important vitamin A functions for the body and how to avoid a vitamin A deficiency. 

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Timestamps
0:05 What is vitamin A?
0:40 Vitamin A deficiencies 
1:59 Foods high in vitamin A
3:04 What causes a vitamin A deficiency?

In this video, we’re going to cover vitamin A functions, sources, and vitamin A deficiencies. 

Vitamin A is a fat-soluble vitamin. This means it has the ability to travel through fat, and it can be stored in fat longer. Fat-soluble vitamins can go right through a cell. Water-soluble vitamins can’t do this. Fat-soluble vitamins can affect the deep parts of the cell and DNA. 

Vitamin A deficiencies can affect what your skin turns into at the genetic level. Symptoms of a vitamin A deficiency can include:

• Flaky skin
• White dots on the skin
• Dandruff
• Vision problems (night blindness)
• Infections
• Lack of lubrication of the eye or mouth 

Great vitamin A sources:

• Cod liver oil 
• Liver 
• Butter
• Eggs (especially the yolk)
• Cheese 

There are also foods that have previtamin A. This means it has to be converted into the active form a vitamin A. This conversion only takes place in certain parts of the body at certain percentages. 

Sources of previtamin A:

• Kale
• Spinach 
• Carrots
• Sweet potatoes 
• Greens

What causes a vitamin A deficiency?

• Not consuming foods rich in the active form of vitamin A
• Not converting previtamin A to the active form (this has to do with a digestive issue)
• A lack of bile 
• A congested liver 

Dr. Eric Berg DC Bio:
Dr. Berg, age 57, is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the author of the best-selling book The Healthy Keto Plan, and is the Director of Dr. Berg Nutritionals. He no longer practices, but focuses on health education through social media.

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Disclaimer:
Dr. Eric Berg received his Doctor of Chiropractic degree from Palmer College of Chiropractic in 1988. His use of “doctor” or “Dr.” in relation to himself solely refers to that degree. Dr. Berg is a licensed chiropractor in Virginia, California, and Louisiana, but he no longer practices chiropractic in any state and does not see patients so he can focus on educating people as a full time activity, yet he maintains an active license. This video is for general informational purposes only. It should not be used to self-diagnose and it is not a substitute for a medical exam, cure, treatment, diagnosis, and prescription or recommendation. It does not create a doctor-patient relationship between Dr. Berg and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.
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Thanks for watching! I hope this video helps you better understand the different vitamin A functions, sources, and vitamin A deficiencies.