Measures the amount of Vitamin A in the body checking for deficiencies.

Long Description: Vitamin A is a fat soluble vitamin that is essential to health and wellbeing. Low levels may impair nutrient absorption. Low levels may also impair bone and skin health as well as vision. High levels of Vitamin A can be toxic and carries with it numerous symptoms including fatigue, digestive problems, liver dysfunction and seizures among many other possible symptoms.

Recommended with Vitamin A

• Vitamin C
• Vitamin K
• Vitamin E
• Vitamin D, 25-Hydroxy
• Vitamin B12
• Vitamin B1
• Vitamin B6
• Carotene

Is Fasting Required? No

More Information: http://www.questdiagnostics.com/testcenter/TestDetail.action?ntc=921