Actually it depends on your child. There are reason why so many brands in the market because what's good for your child doesn't apply on others.

You can see each brand got difference in terms of protein / DHA / Probiotics / sphingomyelin (only S26 got, its phospholipid increase the DHA binding)

Old times they are fighting over DHA, then probiotics.

All milk powder do not contain artificial sugar (although only one brand claim that no added sugar). However, each brand of milk powder sweetness is difference. High level of sugar will cause kids to be hyperactive.

For kids who experience lactose intolerance need to opt for non sugar milk powder. For kids who experience diarrhoea avoid cow milks formula.