The important thing is for babies to be getting nutritional food... and again, that has nothing to do with weight, I think. As someone said before, it almost feels as if- when all these comments are made- we mothers of chubbier babies are sneakily feeding them KitKats on the side. I feed mine a perfectly normal, home-cooked, nutritious diet & he's growing very very fast (even during times when he's completely fussy with eating). I haven't even given him sugar or salt yet fgs (he's 10 months) except a tiny taste of chocolate one day (he loved it ).