Is can’t wean yet then aptamil premade is double heat treated and can work like laxative (trick i leant from a ex midwife/ doula) if older than 6 months try a apple pear or prune fruit pouch x
Water is best thing to help with constipation. If weaned then fruit/veg bringing with P helps - pear, prune, peas...
Chia seeds pudding,prune or pear pure.. How much dairy does your baby eats/drinks? I have noticed that my LG gets constipated after drinking cow's milk or having too much dairy on the day.
I give my little one a prune pouch (Ella's kitchen?) x