SomaVue
All markers
Nutrients panel · ug/dL

Vitamin A (Retinol)

Vitamin A (Retinol) is a clinical biomarker on the Nutrients panel, reported in ug/dL. Standard reference range: 18–77 ug/dL. Functional (optimal) range used by integrative practitioners: 35–70 ug/dL.

What is Vitamin A (Retinol)?

Vitamin A (retinol) is essential for vision, immune function, cell differentiation, and reproduction; it is stored in the liver and obtained from animal foods and beta-carotene conversion.

Reference ranges

Range typeValue (ug/dL)Source
Standard (lab)18–77Typical Quest / LabCorp adult reference
Functional (optimal)35–70Integrative / functional medicine consensus

How SomaVue interprets Vitamin A (Retinol)

SomaVue maps every result for Vitamin A (Retinol) against four clinical lenses — nutrient cofactors, toxin exposure, infection drivers, and circadian/hormonal context — and connects each interpretation to specific peer-reviewed citations. Pre-mapped clinical reasoning and cross-marker pattern detection are available inside the practitioner workspace.

See the full interpretation

Upload a patient PDF or enter values manually to see the four-lens analysis, cross-marker patterns, and cited evidence for Vitamin A (Retinol) and 205 other markers.

Try it free

Educational reference only. Reference ranges vary by laboratory, assay method, age, sex, and clinical context. Functional ranges represent integrative-medicine consensus and are not regulatory thresholds. SomaVue does not diagnose, treat, mitigate, or prevent disease. Always consult a licensed healthcare provider.