Vitamin B6
Vitamin B6 is involved in protein metabolism, the formation of neurotransmitters and blood cells. We get it from meat, fish, potatoes, bananas and nuts. Deficiency is rare with a varied diet.
| Rating | Range | What it means |
|---|---|---|
| Talk to a doctor | below 20 nmol/L | Low B6. |
| Good | 20 – 120 nmol/L | Within the reference range. |
| Talk to a doctor | 120 nmol/L and above | High B6 — often supplements; caution. |
Why it matters
EFSA: high often from supplements (caution — nervous system).
If it’s low
Low B6 can cause fatigue, mood changes, less often anemia or nerve problems.
If it’s high
High B6 is almost always from supplements; LONG-TERM high doses can cause peripheral neuropathy (tingling, numbness).
What to do
A varied diet is enough. Do not take high doses for a long time. With homocysteine it is supplemented after consultation.
Read together with
Homocysteine · Vitamin B12 · Folate
Part of the guide: Vitamins & minerals →
This content is for information only and is not a substitute for medical advice. Talk to your doctor about your results.
Your number, not the average
Upload your report: we rate your exact value for your age and sex, show the source, and tell you what to do next.