Vitamin A Retinol Test – Comprehensive Nutritional Assessment
Understanding Vitamin A Retinol Testing
The Vitamin A Retinol Test is a sophisticated diagnostic procedure that measures the concentration of retinol in your bloodstream. Vitamin A, specifically in its retinol form, serves as a crucial nutrient for maintaining optimal health and preventing various medical conditions. This essential fat-soluble vitamin cannot be synthesized by the human body and must be obtained through dietary sources or supplements.
What Does the Vitamin A Retinol Test Measure?
This advanced laboratory analysis specifically detects and quantifies retinol levels in serum using High Performance Liquid Chromatography (HPLC) methodology. The test measures:
- Circulating retinol concentrations in micrograms per deciliter (μg/dL)
- Vitamin A status and nutritional adequacy
- Potential deficiency or toxicity levels
- Metabolic availability of vitamin A for bodily functions
Who Should Consider Vitamin A Retinol Testing?
Several individuals may benefit from vitamin A assessment, particularly those experiencing:
- Night blindness or difficulty seeing in low light conditions
- Chronic dry eyes or xerophthalmia symptoms
- Recurrent infections and compromised immune function
- Skin disorders including dryness, hyperkeratosis, or acne
- Gastrointestinal conditions affecting nutrient absorption
- Liver disorders impacting vitamin A metabolism
- Pregnancy and lactation nutritional monitoring
- Children with growth and development concerns
Clinical Benefits of Vitamin A Testing
Undergoing vitamin A retinol assessment provides numerous health advantages:
- Early Deficiency Detection: Identify subclinical vitamin A deficiencies before severe symptoms develop
- Vision Protection: Monitor levels crucial for retinal health and prevent vision impairment
- Immune System Support: Ensure adequate vitamin A for proper immune cell function and infection resistance
- Reproductive Health: Support fetal development and maternal health during pregnancy
- Skin and Tissue Maintenance: Maintain epithelial tissue integrity and cellular differentiation
- Prevention of Toxicity: Monitor for excessive vitamin A intake that can cause adverse effects
Understanding Your Test Results
Your vitamin A retinol results will fall into one of several categories:
Normal Range
Normal retinol levels typically range between 20-60 μg/dL. Values within this range indicate adequate vitamin A status for maintaining essential bodily functions.
Deficiency Levels
Values below 20 μg/dL suggest vitamin A deficiency, which may require dietary intervention or supplementation under medical supervision.
Borderline Status
Results between 10-20 μg/dL indicate marginal deficiency that could progress to clinical symptoms without intervention.
Elevated Levels
Concentrations exceeding 60 μg/dL may indicate vitamin A toxicity, particularly concerning for pregnant women due to teratogenic risks.
Test Pricing and Availability
| Test Name | Discount Price | Regular Price |
|---|---|---|
| Vitamin A Retinol Test | $138 USD | $238 USD |
Nationwide Testing Availability
GGC DNA maintains comprehensive testing facilities across the United States, with convenient locations in major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our network ensures accessible vitamin A testing services for patients nationwide.
Sample Collection and Processing
For accurate vitamin A retinol testing, specific collection protocols must be followed:
- Sample Requirement: 3 mL (1.5 mL minimum) serum from one Red Top tube
- Preparation: Overnight fasting is mandatory before sample collection
- Processing: Separate serum within 1 hour of collection
- Protection: Wrap sample in aluminum foil to protect from light degradation
- Transport: Ship refrigerated or frozen for optimal preservation
- Turnaround: Samples collected Friday by 9 AM; Reports available Tuesday
Take Control of Your Nutritional Health
Don’t leave your vitamin A status to chance. Our comprehensive Vitamin A Retinol Test provides the precise data needed to make informed decisions about your nutritional health. With our advanced HPLC methodology and expert interpretation, you’ll gain valuable insights into this essential nutrient’s role in your overall wellbeing.
Ready to assess your vitamin A levels? Contact our dedicated healthcare team today at +1(267) 388-9828 or book your test online to schedule your comprehensive nutritional assessment. Our specialists are available to answer your questions and guide you through the testing process.

