How long does formula last?

How long does a bottle of formula last? And how do you store powdered formula? Can you freeze it? We have the answers to all your bottle-feeding questions.

By Karen Robock August 19, 2016

Photo: iStock

Untouched, room-temperature formula should be thrown away at the two-hour mark.

A prepared (but untouched) bottle of formula can be stored in the back of the fridge for 24 hours. Opened containers of ready-to-feed and liquid concentrate formulas are good for 48 hours. Powdered formula should be used within one month of opening the can or tub. Your fridge should be at 4°C or 40° F.

There’s no reason to freeze formula. Just mix the powder and water—or use premixed liquid ready-to-feed formula—when you need it.

Have more bottle-feeding questions? Download our chart here and put it on the fridge—it has the answer to all your questions.

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