How Long Can You Keep Holle Formula?

If your baby doesn’t finish all the formula, throw it away within one hour. If you need to prepare infant formula in advance, put it in the fridge within one hour of making it, and use within 24 hours.

Why is Holle formula not FDA approved?

Read on for some answers to these important questions. The simple answer is that the FDA regulates items manufactured within the U.S. — and Holle baby formulas are made in Germany. This means that Holle falls within European regulation, which is governed by the European Commission.