Illustration showing Vitamin A Test purpose, deficiency, toxicity symptoms, and normal range in blood

Vitamin A Test – Purpose, Deficiency, Toxicity, Normal Range, and Preparation

The Vitamin A Test helps evaluate how much Vitamin A (Retinol) is present in your blood. Both deficiency and excess can cause serious health problems — from vision loss to liver damage. Proper diet, doctor guidance, and balanced supplement use help maintain safe Vitamin A levels.

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