Yes, prebiotics are very effective. They help to promote gut health of the baby and helps to fight bad bacteria which further helps in improving the immunity of the baby

Yes, its effective for kids gut system.

Yes it is necessary as prebiotics helps with babies gut health and also helps in sustaining during viral infections and motions so a formula milk should have prebiotics contain In it

Yes, it is effective because it has prebiotics which is good for babies immunity and digestion system stronger. If your friend want to try this then she has to consult to her doctor.

Yes dear, your friend can gives Prebiotic rich Formula milk her baby after Doctor consult. Prebiotics rich FM is good for baby gut development and digestion. But better to concentrate on breastfeeding.