How to choose a reliable milk powder website to buy baby milk powder. There are many types of milk powder on the market today, and online purchasing has become the first choice for many parents. However, the numerous milk powder websites are dazzling. How to choose a reliable milk powder website has become a problem for many parents. So, what kind of milk powder website is worthy of our trust? This article will provide parents with some experience in purchasing baby milk powder from the following four aspects. 1. Things to know before purchasing. Before buying milk powder online, there are a few things you should know.