Hi mama! I haven't personally tried Berroca while breastfeeding, pero I'd really recommend checking with your OB or pedia first kasi it's better to be sure na safe talaga for baby, some vitamins can pass through breastmilk at gusto natin na walang risk. A few of my mum friends ask their doctors din bago mag-start ng any supplement habang nagpapasuso, kaya better safe than sorry talaga!