Baby formula should never be given to infants after the expiry date, which is stated on the packet and refers to the unopened shelf life of the product. This is because, although formula contains the exact nutrients babies need, once the expiry date passes, the nutritional value of the formula may change and could lead to a nutrient deficiency.

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Now discover the foods you DON'T need to throw out after their expiry date

Last updated by Lottie Woodrow.

The riskiest foods to eat past their use by date, ranked