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Vitamin C (Ascorbic Acid)

Vitamins

Vitamin C (Ascorbic Acid)

Also known as: Vit C, Ascorbate

COMMON RANGE

0.4 – 2

mg/dL

0

2.95

M

Mayo Clinic Laboratories

Adult

See all sources ↓

CONVERT & COMPARE

mg/dL

=

68.1

µmol/L

=

68.1

umol/L

=

68.1

mcmol/L

Reference ranges by source

Published adult intervals: 3, from 2 named sources, shown in mg/dL.

SOURCE

SEX

AGE

RANGE

VISUAL

CITE

M

Mayo Clinic Laboratories

All

≥18y

0.4 – 2 mg/dL

Q

Quest Diagnostics

Male

≥18y

0.2 – 2.1 mg/dL

Q

Quest Diagnostics

Female

≥18y

0.3 – 2.7 mg/dL

M

Mayo Clinic Laboratories

All · ≥18y

0.4 – 2 mg/dL

Q

Quest Diagnostics

Male · ≥18y

0.2 – 2.1 mg/dL

Q

Quest Diagnostics

Female · ≥18y

0.3 – 2.7 mg/dL

Related biomarkers

More tests in the vitamins category.

Vitamin D, 25-Hydroxy

Vitamin D, 1,25-Dihydroxy

Vitamin B12 (Cobalamin)

Methylmalonic Acid (MMA)

Sources

Mayo Clinic Laboratories

Quest Diagnostics

Last updated 2026-05-02

This page presents source-specific reference data and sourced explanations. For general wellness information only. This is not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.

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