Vitamin A
What is being analysed?
Vitamin A levels in the body are being analysed. Vitamin A is a crucial nutrient that supports various bodily functions, including vision, immune system health, and cell growth.
What does the result mean?
The result indicates the concentration of vitamin A present in the body. This information helps assess the individual's nutritional status and can identify deficiencies or excesses of vitamin A.
Why do the analysis?
Analysing vitamin A levels is essential for maintaining overall health. Deficiency in vitamin A can lead to vision problems, weakened immune function, and impaired growth and development. Conversely, excessive levels of vitamin A can be toxic and cause adverse effects on health.
When to do the analysis?
The analysis of vitamin A levels is recommended as part of routine health check-ups, especially if there are symptoms or risk factors associated with vitamin A deficiency or toxicity. Additionally, it may be necessary to monitor levels during pregnancy, periods of rapid growth, or in individuals with certain medical conditions.
What sample is required?
A blood sample is typically required for vitamin A analysis. This can be obtained through a simple blood draw performed by a healthcare professional.
Is any type of prior preparation necessary?
Generally, no special preparation is needed for a vitamin A analysis. However, it is essential to follow any instructions provided by the doctor, such as fasting before the test if necessary.
How is it used?
The analysis of vitamin A levels helps healthcare providers assess nutritional status, diagnose deficiencies or toxicity, and monitor the effectiveness of interventions such as dietary changes or supplements.
What are the normal values?
Normal values for vitamin A levels may vary depending on age, gender, and other factors. However, in general, normal serum retinol levels range from 30 to 80 micrograms per decilitre (mcg/dL).
What does it mean to have altered values?
Altered values of vitamin A can indicate different health conditions:
Deficiency: Levels below the normal range suggest a deficiency, which can lead to symptoms such as night blindness, dry skin, and increased susceptibility to infections.
Excess: Levels above the normal range may indicate toxicity, which can cause symptoms such as nausea, headache, and blurred vision.
Table of Vitamin A Levels
Category
Normal Range (mcg/dL)
Deficiency
< 30
Normal
30 - 80
Toxicity/Excess
> 80