How to correctly check the authenticity information of Wyeth milk powder. As the popularity of Wyeth milk powder gradually increases, the number of counterfeit products is increasing. In order to prevent consumers from purchasing counterfeit milk powder, it is very important to know how to correctly check the authenticity information of Wyeth milk powder. This article will introduce how to correctly check the authenticity information of Wyeth milk powder from the following aspects. 1. Number query method Wyeth milk