Both are from Nestle and equally good. It is about what suits your baby. The difference is NAN is BIFIDOGENIC, it means it promote growth of gut flora which helps in immunity development. read more
Cow's milk do not contain these nutrients and also much harder for the baby to digest. NAN Pro and Enfamil A+ are equally good but sometimes NAN Pro is disliked by many babies.Also if you have noticed all these breastmilk substitutes contain the same ingredients but differ in cost price. So, I suggest you go for Lactogen ,which is economical, healthy as well as tasty too. It is also trusted for years. read more