Vitamin A

Item# LC017509

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  • Vitamin A
  • Item Catalog Number: LC017509

Vitamin A is a fat-soluble vitamin that promotes normal vision, contributes to growth of bone, teeth, and soft tissues and helps maintain skin and mucous membranes. Vitamin A also supports the formation of thyroid hormone and helps to fight infections.

This test does not measure beta carotene, the precursor to Vitamin A (the active form). If you would like to measure beta carotene use test code LC001529.

An 8 to 12 hour fast is required for this blood test. No foods containing vitamin A should be ingested in the previous 48 hours. Take all medications as prescribed. Do not take supplements the morning of the 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.