Vitamin A (Retinol) Test
The Vitamin A test measures retinol levels in the blood to detect deficiency or excess.About Test
The Vitamin A (Retinol) Test measures the level of Vitamin A in your blood. Vitamin A is essential for vision, immune function, and skin health.
It plays a key role in maintaining healthy eyesight, especially night vision, and supports proper functioning of the immune system.
Low levels can lead to symptoms such as night blindness, dry eyes, and skin issues, while very high levels may cause toxicity.
Why This Test
The Vitamin A test helps assess nutritional status and detect deficiency.
Vision Health
Essential for maintaining good eyesight and night vision.
Immune Function
Supports body’s ability to fight infections.
Skin Health
Helps maintain healthy skin and tissues.
Malabsorption Issues
Recommended in conditions affecting fat absorption like liver or intestinal disorders.
Who Should Take
You may need this test if you:
- Have difficulty seeing in low light (night blindness)
- Have dry eyes or skin issues
- Have malnutrition or poor diet
- Have digestive disorders affecting nutrient absorption
- Are being evaluated for vitamin deficiencies
Preparation
Preparation is required for this test.
Fasting Requirement
Fasting for 8–10 hours is recommended.
Before the Test
Avoid vitamin supplements before the test and inform your doctor about medications.
Parameters
- Vitamin A (Retinol)