Level 1: What are the well-known problematic milk powder brands? 1. Mead Johnson Mead Johnson is a world-renowned maternal and infant brand. Its Nestlé infant nutrition brand includes a variety of milk powder products. However, due to repeated exposure to quality problems, Mead Johnson milk powder sales in the market were once affected. 2. Wyeth Wyeth is a world-renowned maternal and infant brand, and its milk powder products such as S26 and Xibao are highly favored by consumers. However, some products have also been recalled due to quality issues. 3. Abbott Abbott is a world-renowned healthcare company that also produces infant milk powder products. But by