How long will mixed formula last

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Does it last longer refrigerated? This is because mouth bacteria from your newborn makes its way back into the bottle spoiling it quicker. Unconsumed formula can last longer but would not be recommended beyond 2 hours without refrigeration. It can be quite convenient to prepare baby formula in a bottle pre-mixed and ready to go from the fridge especially at night time when you just want to grab, heat and go. Consumed formula should be thrown out after use and not refrigerated.

Once you taken out of the fridge, take care to ensure you heat formula to a safe temperature. In any case, formula brands will indicate a use-by date which should be respected for unopened formula and is prudent to check the expiration date before purchase. Formula in powder form can last for quite some time as long as its stored and used properly without exposing it to moisture. Once opened, it is recommended that formula should be used within 1 month.