Daily Intake Recommendations. Folate is naturally found in food, and folic acid is the form of folate that is used in multivitamins, supplements and fortified foods. The current daily intake recommendations for folate and folic acid are 400 mcg per day for adults.herefore, you should get the majority of your daily intake from folate-containing foods and limit your folic acid supplementation to a standard multivitamin. The Harvard School of Public Health states that a standard multivitamin contains around 400 mcg of folic acid.