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A 28-year-old male asked:

Could a vitamin b6 level of 58 have cause my polyneuropathy and severe pain? i don't take an supplements and don't know how it could be so high.

2 doctor answers2 doctors weighed in
Dr. Randy Baker
Holistic Medicine 40 years experience
Unlikely, need info: First, I don't know the Reference range of the lab and don't know if they measured Pyridoxal 5' Phosphate (P5P) or Pyridoxic Acid. Most labs have a P5P normal range up to 50, so 58 is a mild elevation not known to cause problems. Low Alkaline Phosphatase or phosphoethanolamine could cause high P5P. B6 only known to cause toxicity if taking at least 200 mg/day.
Dr. Martin Fried
General Practice 36 years experience
Yes: It turns out that either too little or too much of this vitamin can cause peripheral neuropathy

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Last updated May 27, 2016

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