Vitamin B6 (Pyridoxine)
The B vitamin behind amino acid metabolism, neurotransmitters, and hemoglobin, with symptoms at both deficiency and excess.
Consider this test if:
- Tingling, numbness, or burning in the hands or feet with no clear cause
- Skin or lip inflammation, a sore tongue, low mood, or unexplained anemia
- Taking a B6 or B-complex supplement and wanting to confirm the level is not too high
- Alcohol use, malabsorption, or kidney disease that can deplete B vitamins
- Setting a nutrient baseline or tracking response to a change in intake
Currently unavailable in your state.
This test isn't offered by labs in your state yet.
Pre-test considerations
Fasting is generally not required. B6 supplements and B-complex products raise the result substantially, so if your goal is to assess true status, note your dose and timing, and ask your clinician whether to pause supplementation before testing. Morning collection after an overnight period without supplements gives the cleanest read. The sample must be protected from light during handling.
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What this test is for
Vitamin B6 (pyridoxine) is a coenzyme the body uses for amino acid metabolism, neurotransmitter synthesis, and hemoglobin production. Low levels are linked to peripheral neuropathy, skin and lip inflammation, a sore tongue, irritability, low mood, and anemia, and are more likely with alcohol use, poor intake, malabsorption, or kidney disease. High levels almost always come from supplementation, and chronically high intake itself causes sensory nerve symptoms like tingling and numbness, which is why measuring the actual level matters if you take B6 or a B-complex. This serum test reports the circulating pyridoxine concentration, useful both for investigating unexplained neurological or skin symptoms and for confirming whether a supplement dose is too low, adequate, or pushing into excess.
- Specimen
- Serum or plasma
- Measures
- Mass concentration
What you'll learn
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Insights that connect the dots. A clinician reads your whole picture, not one result in isolation, connecting family history, past results, and lifestyle into clear next steps.
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Your personalized action plan. Nutrition, supplements, and training in one clinician-reviewed protocol, updated as your results change.
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Track your trends. Upload results from any lab and see each biomarker trend over time, so you know what is working.
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Never miss a recheck. Mito tells you what is worth retesting and when, then reminds you so nothing slips.
What to expect
- 1 Book instantly
Click, book, done. Choose a convenient lab location near you. Transparent, up-front pricing.
- 2 Quick lab visit
Testing to fit your busy schedule, usually 15 minutes or less. Walk-in and appointments available.
- 3 Typical results in about 5 days
Your results post straight to your dashboard as soon as the lab completes them.
- 4 Expert guidance
Included with Mito membership. A clinician reviews your results and your personalized action plan follows, with clear next steps.
Everything your health needs,
in one membership
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Every test at our cost
Members pay our cost on every test, with lab fees passed straight through. The full receipt is itemized, never padded.
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Continuous tracking, all in one place
Upload past labs and watch your trends over time. Every marker and visit lives in one longitudinal record, so all your care stays together.
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Year-round clinician support
Text anytime and get clinician-reviewed answers. When you want to go deeper, 1:1 consultations are available at affordable rates.
All for $9/month
Order any test or consult without joining. For $9/month, members unlock member prices, trend tracking, and year-round clinician guidance.
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Frequently asked questions
View all FAQsHow does pricing work?
Every test shows the member price next to the standard non-member price, so you can see what membership saves you. The member price is our cost, covering the lab and what it takes to run the service. It is never a profit on the test itself. Mito makes its money on the $9 membership, not on marking up your tests. Membership is $9 per month, and any applicable lab order or draw fee is itemized before you pay.
Where do I get tested?
Choose an available partner lab at checkout. If your cart contains multiple blood tests, Mito helps consolidate the eligible tests at one lab when possible. At-home kits and scans follow the collection or appointment process shown on their product page.
Is this eligible for HSA/FSA?
Yes. Eligible tests can be paid for with an HSA or FSA card at checkout.
When will I get my results?
Your results appear in your Mito dashboard after the laboratory completes processing. A clinician then reviews them before your analysis and personalized action plan are finalized. Timing varies by test, and specialty assays and at-home kits may take longer.
Do I need a doctor's order?
No. Mito provides the laboratory order when one is required, so you do not need to arrange a separate doctor visit before purchasing.
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