HomeLab TestVitamin A
Overview
Overview of the Vitamin A Test
- The test is used to evaluate a person's vitamin A levels...
Risk Assessment
Risk Assessment
- Vitamin A Deficiency:...
Normal Range
Normal Range
- The normal range for vitamin A in the blood is typically
Interpretation of Results
Interpretation of Results
- Deficiency<...
Sample Type
The test is typically done using a blood sample drawn from a vein (venipuncture).
Frequently Asked Questions
What is a Vitamin A test?
Why would I need a Vitamin A test?
What are normal Vitamin A levels?
What causes a Vitamin A deficiency?
What happens if I have too much Vitamin A?
How is the test performed?
What should I do before the test?
Can I take Vitamin A supplements before the test?
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Vitamin A
Measuring Retinol to Assess Vitamin A Status
Offered by other lab partners
Sample Type:
blood
Fasting Required:
No
Description
The Vitamin A test measures the level of retinol (the active form of Vitamin A) in the blood. Vitamin A is essential for normal vision, immune function, and skin health. This test is used to diagnose vitamin A deficiencies or excess levels in the body, which can indicate malnutrition, liver disease, or other health conditions.
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