Vitamin A
Vitamin A is essential for numerous body functions, such as vision, reproduction, growth of bones, and immune function. It is found in dietary sources, including dairy products, fish, meat, fruits, and vegetables.
The Vitamin A blood test measures the level of Vitamin A in the blood.
Test details
Sample type
Blood
Time of day
No specific time needed
Fasting required
No
Results timeframe
Within 14 days
Preparation
No special preparation required.
Common reasons for testing
- Malabsorption Conditions – Checks for deficiencies in people with conditions like Crohn’s disease, celiac disease, or gastric bypass surgery.
- Detecting Toxicity – Evaluates high Vitamin A levels.
- Monitoring supplementation – To ensure effective absorption and utilization of Vitamin A supplementation.