Vitamin B6 (Pyridoxal Phosphate)
Vitamin B6 is involved in amino acid metabolism and nervous system function. The test measures the active form, pyridoxal phosphate.
Check your result
Normal ranges
Adults: 5–50 ng/mL.
Units: ng/mL
Causes of deviations
Low levels:
Poor dietary intake, alcohol, some medicines, pregnancy.
High levels:
Long-term high-dose vitamin B6 supplements.
When to see a doctor
If the value is outside the range, discuss it with your doctor.
Related biomarkers
Panels
Vitamin panel
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