Reviewed: 13. Juli 2026
Vit. A Vitamin A (Retinol)
Unit: µg/l
Quick Explanation
Vitamin A is important for vision, skin, and the immune system. A deficiency usually results from fat malabsorption or malnutrition and can manifest as night blindness or dry skin. Excessively high values from supplements can also be harmful.
📊 Reference Values
ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.
🔍 Possible Causes
Value too high — possible causes
- ·Overdose from dietary supplements
Value too low — possible causes
- ·Malnutrition
- ·Fat malabsorption (e.g. celiac disease)
- ·Liver disease
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →Does my vitamin A value explain my symptoms?
- →Should I supplement or reduce vitamin A?
Have a complete lab report?
Medyra explains your entire lab report in plain language and prepares questions for your doctor appointment — free, in your language, in under 60 seconds.
Start for free →🔗 Related Lab Values
Medical Disclaimer
The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.