Is Nestlé the only company affected?

See answer

We understand parents may worry this is a brand‑specific problem. It is not.
Other infant formula manufacturers have also announced recalls linked to this ingredient. The issue traces back to an ingredient supplied to multiple companies in the industry.
Our internal quality checks detected the issue first, which allowed us to act quickly and take precautionary steps. It’s part of our commitment to put babies’ wellbeing first.