What is Wyeth Ailero Milk Powder Stage 1? Wyeth Ailero Milk Powder Stage 1 is a growth-oriented infant formula developed by Wyeth Company of the United States and specially designed for newborns and infants. It uses the latest nutrition and science and technology to provide comprehensive and balanced nutrition for babies. When adding milk source, Wyeth Aerole Milk Powder Stage 1 uses high-quality milk and undergoes strict quality control to ensure safety and reliability. Advantages of Wyeth Ailero Milk Powder Stage 1