Accepted Answeramandaw April 24, 11:13 PMI have heard it said many times that it is best to continue taking prenatal vitamins while nursing. Prenatals are basically multivitamins but with more of the stuff that new moms need to support the pregnancy and breastfeeding, for that matter.
As for which is best, sorry, can't help you there. I've always used Nature Made because they are affordable and have been around forever, but I'm not sure how *natural* they actually are. I've also heard that people like Garden of Life, but I think they are pricey.