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Vitamin A

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Vitamin A

Accredited Facility E-report Qualified Specialists

This test is done to measure the level of vitamin A (retinol) in the blood. Vitamin A is essential for vision, immune function, skin health, and cell growth. Abnormal levels may indicate deficiency due to malabsorption or poor intake, or toxicity from excessive supplementation.

  • If there are symptoms of deficiency such as night blindness or dry eyes.
  • If malnutrition or malabsorption is suspected.
  • If there is excessive vitamin A intake or supplementation.
  • If a healthcare provider is evaluating fat-soluble vitamin status.
  • Fasting for 6–8 hours may be recommended.
  • Avoid vitamin A supplements before testing unless instructed otherwise.
  • Follow any instructions provided by the laboratory or healthcare provider.
    • Vitamin A
    No labs currently offering this test.