Vitamin C Test
A water-soluble antioxidant essential for collagen synthesis and immune function.
What is Vitamin C?
A water-soluble antioxidant essential for collagen synthesis and immune function.
Vitamin C Reference Range
These are the typical adult reference ranges used by major US labs. Your report will include the specific range used by the lab that processed your sample.
| Population | Range |
|---|---|
| age 18+ | 0.400 – 2.00 mg/dL |
Reference ranges are educational. Always interpret your result with the specific range printed on your lab report and discuss anything outside the range with a clinician.
What your Vitamin C result may mean
Can reflect inadequate dietary intake. Severe deficiency causes scurvy.
Educational only — not a diagnosis. Many factors can influence a single result. Discuss anything that concerns you with a healthcare provider.
Sources
Related Vitamins & Nutrients biomarkers
Markers commonly tested alongside Vitamin C.
Frequently asked
No. TestWell's licensed physician network reviews and approves your order — usually within minutes. You can place an order online without an in-person visit or a referral from your own doctor.
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