What is Mead Johnson Blue Zhen Milk Powder Stage 3? Mead Johnson Blue Zhen Milk Powder Stage 3 is a very popular infant milk powder with a unique formula that can provide various nutrients that babies need. It is designed for babies from 3 to 6 months old and has many excellent features to help your baby grow and develop better. First of all, in terms of taste and nutrition, Mead Johnson Milk Powder Stage 3 is excellent. It uses the highest quality dairy products and is able to reproduce all the ingredients found in breast milk. this