Hey mama! Kaya naman, pero gradual lang ang switch para hindi magulat ang tiyan ng baby, usually ginagawa ng karamihan sa amin na blend muna like 3/4 low lactose + 1/4 regular milk for a week or two, then balance it out hanggang full regular milk na. Best pa rin na i-check mo muna with your pedia kung okay lang talaga for your baby kase baka may underlying sensitivity pa, hindi lang lactose intolerance!