Why do I need to fast?

Quest lists overnight fasting as required for this test. Recent food, especially carotene-rich food, can affect the result.

What does a high result mean?

MedlinePlus notes a higher-than-normal level may relate to high vitamin A or carotene intake. A clinician interprets the result in context.

What does a low result mean?

A low result may relate to low intake or to trouble absorbing fats. MedlinePlus links low beta-carotene to malnutrition and fat-absorption conditions.

Vitamins and Nutrients

Carotene (Beta-Carotene) Blood Test

A blood test that measures beta-carotene, a fat-soluble precursor to vitamin A.