Folic Acid(FA) CLIA kit (Chemiluminescence Immunoassay) is an in vitro diagnostic quantitative test kit. Folic acid (FA) is an important B vitamin. FA deficiency has been associated with a number of health disorders such as mental confusion, diarrhea, irritability, behavior disorder, and headache or nerve damage. Besides, insufficient intake of FA can lead to neural tube defects in developing embryos, elevated plasma homocysteine, different types of cancer, Alzheimer, etc.