What kind of supplement has activated folate (folic acid) and is typically recommended over folic acid suppliments?

Green leafy plants: I'm more of an advocate of getting your vitamins from FOOD, not from a bottle - where the substances within have been processed. Folate (or folic acid) is found naturally in green leafy plants - the name actually derives from 'foliage' or 'leaves'. So I advocate eating fresh veggies/plants. That type of diet also provides different minerals, micronutrients, anti-oxidants, fiber etc. that you need.