Cerefolin NAC is not a folic acid in and of itself, but it does contains folate, along with vitamin B12 and a form of antioxidant, according to Drugs.com. This supplement strives to lower homocysteine levels and eliminate oxidative stress.
Before using Cerefolin NAC, a patient should advise his doctor or health care professional of any conflicting conditions, such as pregnancy, allergies, history of ulcers, kidney stones or problems with anemia, recommends Drugs.com. Possible mild side effects of taking Cerefolin NAC include headache, itching, mild fever or diarrhea, bloating and vomiting. Severe side effects that need immediate medical attention include hives, rash, difficulty breathing, tightness in the chest, swelling in a number of facial areas and pain located in the lower back or side.