Black and white dog with a red ball
Purina ONE Dog Logo

Purina ONE - 28 Day Challenge Info - Dog

dog on a park with a logo that says 28 day challenge

Take The Challenge. See The Change.

See the amazing changes in your pet’s health and get ready to receive up to $20 in discounts on Purina® ONE® products throughout the challenge, including the initial $5.00 discount on your first purchase of Purina ONE dry dog food. 

dog eating from a bowl

Day 1

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

dog playing with a ball

Day 7

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

french bulldog on a park

Day 14

High-quality ingredients and prebiotic fiber promote higher nutrient absorption, so more nutrition goes to work inside your dog.

dog looking around

Day 21

See clear, sharp eyes 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.

happy dog smiling

Day 24

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

dog catching a ball mid-air

Day 28

A natural source of glucosamine helps support healthy joints. Crunchy kibble supports strong teeth and healthy gums. And protein, including real meat, supports strong muscles, including a healthy heart.

dog laying in grass

A Difference From Day ONE

Purina ONE brings nature and science together to deliver proven nutrition today, and for a lifetime. Take the 28-Day Challenge and see for yourself.