Q. Who can and cannot take folic acid tablet?

Adults and children can take folic acid if they are in need of it. But it not suitable for everyone unless prescribed by doctors. Before you decided to take folic acid tablets you should consult your doctor. You need to avoid folic acid tablet if you have an allergic reaction to it or any other medicine. You should also ensure the low vitamin B12 levels or you have a type of kidney dialysis called haemodialysis.