How can Frontier Pet Food last if it has no preservatives?Updated 5 months ago

Frontier Pets food has a super long shelf life (2 years)*, so many people think it must be full of preservatives. This is not the case. Frontier Pets food and treats contain no preservatives and don’t need to.

The freeze-drying process extracts all the water from the food, leaving a very low moisture content. Also, the ‘water activity’ level in the food falls below the level where any microorganism can live, so it doesn’t go ‘off’. Once you’ve added the water back in, of course, that changes things. Reconstituted food can be kept in the fridge for three days.

*Frontier Pets Food remains fresh in its original packaging for two years and three months once opened. Check the expiry date at the back of the packaging for more details.