Hospital Lab
$150
cash pay
Other Labs
$49
+ lab fees
TestWell
$44.99
+ $6 lab fee
Vitamin A (retinol) is a fat-soluble vitamin crucial for vision (especially night vision), immune function, skin health, and cell growth. Both deficiency and excess can cause health problems. Deficiency is more common in developing countries but can occur in people with fat malabsorption conditions, liver disease, or restrictive diets.
Vitamin and nutrient testing identifies deficiencies that can drive fatigue, immune dysfunction, neurological symptoms, and long-term disease risk — and confirms that supplementation is working.
Anyone with restrictive diets (vegan, low-fat, low-carb), malabsorption conditions, fatigue, hair loss, mood changes, or currently supplementing and wanting to verify dosing.
Sample Type
Blood draw
Fasting
Required
Results In
3–5 business days
Performed At
Quest
Your Vitamin A (Retinol) results will include values for each of the 1 biomarker tested, along with reference ranges. Results are reviewed by a licensed physician before being released to your secure portal.
If any values fall outside the normal range, your report will include guidance on what that may mean and recommended next steps. You'll receive an email notification when your results are ready, typically within 3–5 business days.
Typical reference range layout
Lab reports show where your value sits relative to established reference intervals—your physician interprets this in context for you.
Your Vitamin A (Retinol) results will include values for each of the 1 biomarker tested, along with reference ranges. Results are reviewed by a licensed physician before being released to your secure portal.
If any values fall outside the normal range, your report will include guidance on what that may mean and recommended next steps. You'll receive an email notification when your results are ready, typically within 3–5 business days.
Typical reference range layout
Lab reports show where your value sits relative to established reference intervals—your physician interprets this in context for you.
Fasting for 8 hours is recommended.
Fasting for 8 hours is recommended.
TestWell Price
$44.99
+ $6 lab processing fee at checkout
No insurance needed · HIPAA compliant
Frequently ordered together
Customers who ordered Vitamin A (Retinol) also added these for a more complete health picture.
Not sure where to start?
Vitamin A (Retinol)
$44.99