Hindi sila exact same formulation kaya mas okay kung consistent ka sa isa lang, buti na lang nag-ask ka! I'd say check with your OB kung which one siya preferred for you, kasi may slight differences usually ang prenatal vitamins depende sa brand, tapos baka may specific nutrients na kailangan mo based sa your pregnancy needs. A few of us moms have switched brands mid-pregnancy din pero mas safe talaga kung authorized ng doctor mo yung switch, especially with prenatals na importante talaga sa fetal development. Huwag mag-alala pero do confirm with your OB as soon as pwede, okay?