A. Folic acid is one of the eight B vitamins required by human beings. A folate-rich diet will provide about 0.2 mg of folate per day. Whole grain products and foods with added folic acid such as breakfast cereals are also significant sources. A. Yes, absolutely.
Folic acid is only one of the nutrients required for health.
Women who could become pregnant are in the age group that needs to be concerned about their intake of all vitamins and minerals particularly calcium and iron. It is important therefore that they follow Canada's Food Guide to Healthy Eating. Good nutrition entering pregnancy is important for a healthy outcome. There are a very limited number of preparations that contain only folic acid at 0.4 mg per dose on the Canadian market. Ask your pharmacist.