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You have taken the first steps towards starting your 3 Week Challenge. To get you started, we'd like to offer you a voucher for $5 off your next purchase of Purina ONE® keep an eye out on your email inbox for your voucher.


Transitioning your cat to PurinaONE®

Cats are sensitive to dietary change, which means their digestive systems need a little time to adjust to a new diet. Gradually substituting new food for old is the best way to go about changing your cat’s diet. The adjustment period usually lasts 7 to 10 days, however if your cat has a sensitive stomach, you might like to extend this for longer.



Don’t forget to log into your Purina ONE® 3 Week Challenge account weekly for news and advice, and to follow your cat’s progress.