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Vitamins & Minerals

Vitamin A in Serum (Retinol)

฿1,248.00

Measures retinol (vitamin A) level in blood, reflecting recent vitamin A status. Vitamin A supports vision, skin, and immune function; levels can drop with poor absorption or severe deficiency.

Blood
15 min at lab
Results: 7 days

Typical Use

Used when vitamin A deficiency is suspected (night vision problems, poor growth, malabsorption) or when toxicity is a concern from high-dose supplements, especially in liver disease.

Preparation

Wear clothing that allows easy access to your arm
Arrive well-hydrated
Continue regular medications unless advised otherwise by your doctor

Markers Tested

Vitamin A (all-trans-Retinol) (ug/L) Vitamin A (all-trans-Retinol) (umol/L)
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