formula

Yes, can.. But do remember to let the bb try one for a couple of days forst and make sure bb is not allergic to the milk powder first before introducing another one. Else when bb have reactions, u do not know which milk is the cause.

Yes can, but try only to use one at once so you can test if any adverse reactions to the formula (if you're testing more than one at once you won't know which is causing the issue)

Yes. I let my baby try for sometime to see if ahe is ok with it

Yes mine is ok 2 different ones n is coping

Yes

Yes

Yes