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Vitamin A is a fat-soluble nutrient that promotes normal vision, contributes to growth of bones, teeth and soft tissue, and it maintains the integrity of the skin. Beta carotene is the precursor to the active form of vitamin A.
Vitamin A deficiencies can result in chronic infections, hypothyroidism, protein malnutrition and liver disease. Life Extension® offers this Vitamin A test to measure beta carotene. This test evaluates the body’s ability to synthesize Vitamin A.
If you are interested in measuring Vitamin A, use test code LC017509.
An 8 to 12 hour fast is required for this blood test. However, drink plenty of water and take your medications as prescribed. Avoid foods and supplements containing carotene for 48 hours preceding blood draw.
The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.
Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.
Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Life Extension. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.