What Are Some Causes of High Folate Level in the Blood?

By Staff WriterLast Updated Apr 5, 2020 9:42:59 PM ET

A high level of folic acid or folate in the blood indicates a person eats a diet that is high in folic acid, takes vitamins, takes folic acid pills or has a vitamin B12 deficiency, states WebMD. Having too much folic acid in the blood is not a dangerous condition and does not cause other health issues.