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Vitamin A (Retinol)
Vitamins
Vitamin A (Retinol)
COMMON RANGE
32.5 – 78
µg/dL
23.2
105
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
µg/dL
=
1.93
µmol/L
Reference ranges across 10+ sources
Adult reference ranges from 4 entries across 4 trusted sources, shown in µg/dL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18
38 – 98 µg/dL
↗
M
Mayo Clinic Laboratories
All
≥18
32.5 – 78 µg/dL
↗
Q
Quest Diagnostics
All
≥18
38 – 98 µg/dL
↗
L
Labcorp
All
≥18
30 – 82 µg/dL
↗
A
ARUP Laboratories
All · ≥18
↗
38 – 98 µg/dL
M
Mayo Clinic Laboratories
All · ≥18
↗
32.5 – 78 µg/dL
Q
Quest Diagnostics
All · ≥18
↗
38 – 98 µg/dL
L
Labcorp
All · ≥18
↗
30 – 82 µg/dL
Related biomarkers
Often tested alongside vitamin a (retinol) or part of the same panel.
Vitamin D, 25-Hydroxy
Vitamins
Vitamin D, 1,25-Dihydroxy
Vitamins
Vitamin B12 (Cobalamin)
Vitamins
Folate (Serum)
Vitamins
Folate (RBC)
Vitamins
Methylmalonic Acid (MMA)
Vitamins
Sources
A
ARUP Laboratories
M
Mayo Clinic Laboratories
Q
Quest Diagnostics
L
Labcorp
Last updated 2026-05-02
This page aggregates publicly available reference data and clinical information from Mayo Clinic Laboratories and other sources. For general wellness information only — not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.
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