Hi! I have a friend who's LO is 12 months old. She's planning to return to work, and she's going to pump. However, if she's not able to pump enough breastmilk, she should probably supplement to make sure her LO gets enough nutrients. We know that after 12 months, they get breastmilk or whole cow's milk. Her LO is allergic to cow's milk (hives, in emergency room, etc), so what should she have instead? Thanks.