I highly recommend legendairy milk, because my body didn’t respond well to fenugreek supplements previously when I was breastfeeding my previous son. I took the supplements when breastfeeding and boosted my supply a lot. You should consider checking them out. You can actually take them once you start breastfeeding, for now can focus on prenatal vit and maternal milk.
im taking maternal milk currently since 16 weeks ~ it may helps.