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Dr. Berg’s Healthy Keto and Intermittent Fasting Podcast

The 3 Vitamins That WORSEN Nerve Pain (A Nerve Poison?)

Dr. Berg’s Healthy Keto and Intermittent Fasting Podcast

Dr. Eric Berg

Health & Fitness

4.71.7K Ratings

🗓️ 19 March 2026

⏱️ 9 minutes

🧾️ Download transcript

Summary

Are your vitamins causing nerve pain? Discover the vitamins that worsen nerve pain and peripheral neuropathy, why certain nerve pain vitamins make matters worse, and what you can do to fix it.



0:00 Introduction: Vitamins that worsen nerve pain

0:12 Vitamin B6

1:59 Vitamin B12

4:17 Vitamin B1 deficiency and peripheral neuropathy

4:35 Nerve pain vitamins

5:39 Alpha-lipoic acid for peripheral neuropathy

6:41 Avoiding vitamins that worsen nerve pain



Download Dr. Berg's Free Daily Health Routine: https://drbrg.co/45qtO07


If it seems that your vitamins are making nerve pain worse, the solution might be simple. Vitamin B6 is vital in neurotransmission, but must be converted to its active form through the liver. Unconverted vitamin B6 can accumulate in the body and affect the nervous system if your liver is sluggish, if you don't have enough bile, or if you’re low in glutathione. Inflammation, high blood sugar, and low magnesium can also inhibit your ability to make this conversion.


Most vitamin B12 supplements contain cyanocobalamin, which is useless unless converted into the active form, methylcobalamin.


Vitamin B1 is vital in supporting the mitochondria and the myelin sheath. Low vitamin B1 is a common cause of peripheral neuropathy.


Vitamins B1, B6, and B12 are water-soluble vitamins, so they can’t easily penetrate the brain and myelin sheath. Benfotiamine is a fat-soluble form of vitamin B1 that can penetrate the myelin sheath to help reverse peripheral neuropathy.


Alpha-lipoic acid is a powerful antioxidant that can help with peripheral neuropathy, support mitochondrial function, and improve insulin sensitivity.


Key takeaways:


1. Use the right forms of vitamin B1, vitamin B6, and vitamin B12

2. Don’t go over 50 mg per day

3. Ensure you have enough bile

4. Consume fermented foods

5. Make sure your insulin is balanced

6. Don’t forget about alpha-lipoic acid



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

Click on a timestamp to play from that location

0:00.0

Three healthy vitamins that actually worsen nerve pain using vitamin B6 and B12.

0:06.4

But I'm also going to add one critical piece to this puzzle, B1, and I'm going to tell you why in a little bit.

0:12.3

But let's first start off with this vitamin B6. Why do we need B6?

0:16.5

Vitamin B6 is one of those helper vitamins involved in a lot of chemical reactions, especially making

0:23.3

neurotransmitters. Those are kind of like chemical messengers that work within the nervous system,

0:28.6

like GABA, serotonin, dopamine. B6 is really crucial in nerve transmission, the ability to communicate

0:37.1

through the nervous system. In order for B6 to work, the ability to communicate through the nervous system.

0:38.5

In order for B6 to work, it has to be converted through the liver to this active form called

0:45.1

P5P. So the wrong type of B6 or the wrong dosage can create the same damage of something you're

0:53.0

trying to heal. The biggest reason why B6

0:55.5

is toxic to people is how it accumulates in the body. If your liver is sluggish and you can't

1:04.1

detoxify, okay, or you don't have enough bile, which is the thing that helps you digest fat,

1:13.1

or you're low in glutathione,

1:21.4

which is a very powerful potent antioxidant. What happens is the B6 kind of floats around in your blood and it never gets converted to the active form. So then you go to the doctor and you check

1:26.6

your B6 levels and they're

1:28.0

like super high or maybe sometimes or even normal, yet you're very deficient in vitamin B6

1:34.9

because you didn't have this conversion and it just backs up into the blood. The unmetabolized B6

1:41.5

is creating the toxic feeling that you feel, which affects the nervous

1:45.9

system.

1:46.9

But I just want to also mention there's a couple other things that can block this conversion.

1:51.0

If you have inflammation in the body, if you have blood sugar issues, if you have low magnesium,

1:57.3

it won't make this conversion.

...

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