Vitamin B6: what it means.
Written to our editorial standards · reviewed against published research· Updated 27 Jun 2026
Typical reference bands (µg/L)
Lowunder 5 µg/L
Optimal10-50 µg/L
Ranges vary by laboratory, age, and sex, your lab's own reference range always takes precedence.
Common causes
- Low intake
- Regular alcohol use
- Certain medications
- Malabsorption
What it can feel like
- Low mood or irritability
- Tingling in the hands or feet
- Cracked lips or a sore tongue
Who should test
Relevant alongside an elevated homocysteine or neurological symptoms. Note that very high, long-term B6 can itself cause nerve symptoms, so dosing matters.
Supplements that help raise Vitamin B6
Evidence-led, and only a piece of the picture, diet, lifestyle, and your clinician matter most.
B6 (as P5P, often in a B-complex) is a cofactor for neurotransmitter production and, with folate and B12, for clearing homocysteine.
Shop the top pick for vitamin b6
Recommended
Pure Encapsulations, P5P 50 (Pyridoxal 5' Phosphate)
60 capsules · ~$18 · ★ 4.8
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Common questions
What does a low Vitamin B6 mean?
Common drivers include low intake; regular alcohol use; certain medications. A result outside the optimal range is best read in context: discuss it with your clinician, who can weigh the full picture and your lab's own reference range.
What supplements help raise Vitamin B6?
Evidence-led options include Vitamin B6, B-Complex. They support, but don't replace, diet, lifestyle, and medical care.
Educational use only, not medical advice or diagnosis. Always interpret lab results with a qualified clinician.