Vitamin A Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	$46.99	$35.99
Results in	~5 business days	~4 business days
Sample type	Blood Serum	Blood Serum
Require fasting	No	Yes

About the test

Vitamin A (Retinol) is a fat-soluble vitamin crucial for vision, immune function, and cellular growth. It is commonly measured to assess nutritional status, especially in cases of malabsorption, poor diet, or symptoms like night blindness and dry skin.

Included biomarkers & Reference ranges

Biomarker	Reference range
Vitamin A Measures vitamin A, important for vision, immune function, and skin health.	38–98 µg/dL

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

Preparation

Avoid alcohol for 24 hours before your blood draw.
Blood should be collected before breakfast in the morning and before taking any medication.
For patients who are younger than six months, draw before next feeding.

Overnight fasting is required.
Fasting before a blood draw means you don't eat or drink anything except water.
Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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