Purina One Dual Species sub-nav Image
Purina ONE logo for cats

Purina ONE 28-Day Challenge

cat sitting on couch with paws hanging off

Take The Challenge. See The Change

Give us 28 days, and you could see visible differences in your cat’s health. Join nearly 2,000,000 pet owners and take the Purina ONE 28-Day Challenge. You’ll receive a $3 coupon just for signing up.

kitten leaned forward eating out of food bow

Day 1

Real meat is the #1 ingredient, so you should see more excitement at mealtime right away. 

kitten looking at toy with paw up to hit

Day 7

Carbohydrate sources as part of our high-quality nutrition help support healthy energy. Your cat may want to play more often and show more vitality.

kitten walking but looking upward

Day 14

Highly digestible ingredients support better absorption of nutrients so more nutrition goes to work inside your cat. 

cat looking up and off to the side

Day 21

Look for clear, sharp eyes from vitamins A and E, and a healthy skin and coat from Omega 6 fatty acids, vitamins, and minerals, as Purina ONE continues to deliver visible proof it’s working.

cat taking a step forward with one paw up

Day 24

A unique antioxidant blend of vitamins A and E and minerals selenium and zinc helps nourish your cat’s immune system.

cat reaching upward playing with toy

Day 28

Crunchy kibble supports strong teeth and healthy gums. And protein, including real meat, supports strong muscles, including a healthy heart.

cat crouched down looking to the side

Proven Nutrition Today, And For A Lifetime.

Purina ONE brings nature and science together to deliver high-quality nutrition for every stage of your cat’s life. Take the 28-Day Challenge and see for yourself.

Satisfaction Guaranteed

If you’re not satisfied with Purina ONE, we will refund your purchase price. Cut out the “Best If Used By” date box from your bag. Send within 60 days of the date on your receipt, along with your original purchase receipt with the price circled, a brief explanation of why you weren’t satisfied with the product, and your name and street address (PO Box not accepted) to:

Satisfaction Guarantee • Office of Consumer Affairs • PO Box 340 • Neenah, WI 54957

Offer only good in USA, APOs and FPOs