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Doctor insights on: Vitamin B6

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Dr. Jeffrey Wint
231 doctors shared insights

Vitamin B6 (Overview)

Vitamin B6 is a vitamin which is a kind of nutritional agent (nutritional or metabolic agent).


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What is vitamin B6 used for?

What is vitamin B6 used for?

Many things: Vitamin b6 in it's activated formed call pyridoxal-5-phosphate (p5p) is the cofactor in many biochemical pathways in the body involved in production of neurotransmitters (that affect mood, etc, ), histamine (involved in allergy), hemoglobin (red blood cells) and proteins involved in methylation and regulation of our genes. ...Read more

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Dr. Jeffrey Wint
231 doctors shared insights

Vitamin B6 (Overview)

Vitamin B6 is a vitamin which is a kind of nutritional agent (nutritional or metabolic agent).


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Is it safe to take 200mg vitamin B6 with isoniazid 300mg daily? The B6 was cheaper otc. I was prescribed 50mg vitamin B6 from my doctor originally.

Is it safe to take 200mg vitamin B6 with isoniazid 300mg daily?  The B6 was cheaper otc. I was prescribed 50mg vitamin B6 from my doctor originally.

Probably safe but...: High doses of vit. B6 can cause neuropathy (inflammation/irritation of nerves). 200 mg is at the border of the amount that could cause this. Authorities advise not taking more than 100 mg, but 200 mg/day for months is the lowest amount proven to cause problems. Capsules with 50-100 mg of b6 are inexpensive & widely available at health food stores. You can take the 200 mg but buy a lower dose next. ...Read more

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Is it safe to take vitamin B6 while pregnant or breastfeeding?

Is it safe to take vitamin B6 while pregnant or breastfeeding?

Yes: Vitamin b6 is very safe, though there is evidence that doses over 200 mg can occasionally cause neuropathy. However, there is no good reason to take doses higher than 200 mg. ...Read more

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What is the toxicity of vitamin b6?

None: Vit b6 is hydrosoluble, any extra you take, it will be eliminated. ...Read more

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Any vitamin B6 side effects?

Any vitamin B6 side effects?

From excessive doses: In general, vitamin b6 is extremely safe and well-tolerated, though it may cause stomach upset in some (esp. If taken without food.However, taking high doses of b6 daily for months (usually at least 1000 mg but in some as low as 200 mg) can cause toxicity symptoms, most commonly peripheral neuropathy (tingling & numbness) also headaches, fatigue & irritability, which will dissipate upon stopping b6. ...Read more

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Are there any side effects of the vitamin B6 multivitamins?

Yes: Too much pyridoxine or vitamin b-6 can cause peripheral neuropathy or even spinal cord damage. Therefore, best not to exceed 300-400 mg total daily, and the safest top dose is likely 100mg twice daily. ...Read more

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How long do the symptoms of vitamin B6 toxicity last?

How long do the symptoms of vitamin B6 toxicity last?

Depends: Vitamin b6, when taken usual therapeutic dose, is not toxic. It can cause significant adverse effects, however, if you take too much of it for a prolonged period. Depending upon the amount of vitamin B6 ingestion, toxicity ranges from nausea to dependence or permanent peripheral neuropathy. ...Read more

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Is it safe to take 565mg hawthorne supplement 100mg coq10 and 100-200mg vitamin B6 together or will they interact with each other. Thank yoh?

Is it safe to take 565mg hawthorne supplement 100mg coq10 and 100-200mg vitamin B6 together or will they interact with each other. Thank yoh?

Yes, very safe but..: Yes, it is quite safe to take these together. They should work well together as a team, however, coq10 is better absorbed after a meal (choose forms like ubiqinol or bioq10 that are better absorbed) & herbs are better absorbed on an empty stomach. Limit b6 to 200 mg/day- 100 mg 2x/day is better than 200 mg once a day. Consider a quality multivitamin as well. ...Read more

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Is it healthy to mix both vitamin B12 and B6 and inject the mixture with a syringe right into the butt?

Is it healthy to mix both vitamin B12 and B6 and inject the mixture with a syringe right into the butt?

Yes, but: I notice, you are 26 years old. Normally you wouldn't be a candidate for that. That would be very helpful for elderly, who do not absorb well the nutrients from the food or for other folks with certain problems. Best, Siranush Cholakian MD ...Read more

Dr. Richard Wallace
176 doctors shared insights

Pyridoxine (Definition)

Pyridoxine is a vitamin which is a kind of nutritional agent ...Read more