Vitamin B6 (pyridoxine) — answers to Vitamin B6
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A water-soluble B vitamin that exists in several related forms, including pyridoxine, and is required for amino acid metabolism, red blood cell formation, and nervous system function.
Why it’s used
Taken to meet daily vitamin B6 requirements and to address or prevent deficiency, which can affect nerve and blood function.
What the evidence is for
preventing and correcting vitamin B6 deficiency.
What the evidence says
According to the NIH Office of Dietary Supplements, vitamin B6 is an essential nutrient with a well-established role in metabolism, and deficiency is linked to anemia, skin changes, and nerve problems. Evidence for benefits beyond correcting deficiency, such as for mood or PMS symptoms, is weaker and less consistent.
Dose studied
1.3–100 mg — adult RDA up to the tolerable upper intake level, per NIH ODS.
Context
NIH ODS lists an adult RDA of about 1.3–1.7 mg/day and a tolerable upper intake level of 100 mg/day for adults, based on nerve-related effects seen at high, sustained intakes in research.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.