10 Vitamins You Should NEVER Take

Dr. Berg’s Healthy Keto and Intermittent Fasting Podcast

Dr. Eric Berg

Health & Fitness

4.6 • 1.6K Ratings

🗓️ 8 October 2025

⏱️ 13 minutes

🔗️ Recording | iTunes | RSS

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Summary

Find out about the harmful vitamins and supplements lurking in your medicine cabinet. These dangerous vitamins are not beneficial to your health, and often have the opposite effect. Do not take these vitamins!

Dr. Eric Berg DC Bio:Dr. Berg, age 60, is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the Director of Dr. Berg Nutritionals and author of the best-selling book The Healthy Keto Plan. He no longer practices, but focuses on health education through social media.

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, 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.

Transcript

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0:00.0	We're going to talk about the 10 vitamins and minerals you should never, ever take.
0:07.0	But not for the reason that they're ineffective, but for the bigger reason, they can be very, very
0:11.0	dangerous.
0:12.0	And I'm really surprised that they even allow these ingredients to be sold in your vitamins.
0:19.0	And I think I know why, because simply they're so cheap, you can make so much
0:23.6	profit on them. And so there's a huge margin. And that's pretty much why they do it. Most of the
0:28.9	big vitamin companies out there are owned by big pharma, big chemical companies and the junk food
0:36.5	industry. And so their motives are the best margins possible.
0:40.5	Let's take the first one, synthetic vitamin A.
0:43.8	You should never ever consume synthetic vitamin A.
0:47.4	Synthetic vitamin A has to be converted into the active form,
0:51.4	and the conversion is not very efficient.
0:54.0	So what that means is you get this buildup of synthetic vitamin A. the active form, and the conversion is not very efficient.
1:00.2	So what that means is you get this buildup of synthetic vitamin A in the liver and the fat cell.
1:02.0	And that can be very, very toxic.
1:07.1	If you have the situation in pregnancy, that child is susceptible to a birth defect. And it also can interfere with vitamin D and vitamin K2 and increase your risk for fractures
1:13.7	because you have bone loss. And they also put synthetic vitamin A in a lot of skin products like
1:19.3	lotions and things like that. The problem is when that synthetic vitamin A gets exposed to UV
1:24.1	radiation, now we just increase the carcinogenic effect. You're going to identify
1:29.9	it by this right here usually retinal palmitate or retinal acetate. Instead, get your vitamin A
1:38.2	from egg yolks, liver, cod liver, and not from the synthetic version of vitamin A. We need vitamin A for the internal
1:46.7	mucous membranes of our sinuses, of our lungs, of our colon. We need vitamin A to be able to
	...

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