Thank you for visiting

To log out and end your session, click "OK"


With the Right Food, Age Really is Just a Number.

Nutrition is vital. Ask your vet.

Hill's® Science Diet® foods for adult and mature adult cats and dogs deliver the precisely balanced nutrition your cat or dog needs to live a long, healthy life.

Science Diet Advanced Fitness

Science Diet®
Advanced Fitness

Tested nutrition to improve skin and
coat health in adult dogs in 30 days.

Learn More!

Also available in Small Bites.

Science Diet Active Longevity

Science Diet®
Active Longevity

Now tested to restore youthful energy
in mature adult dogs in 30 days.

Learn More!

Also available in Small Bites.

Science Diet Senior 11+ Small and Toy Breed Age Defying

Science Diet®
Senior 11+ Small & Toy Breed Age Defying

Precisely balanced, easy-to-digest nutrition
tailored to older small & toy breed dogs to
improve mobility in 30 days

Learn More!
Science Diet Optimal Care

Science Diet®
Optimal Care®

Now with more Vitamin E to support
immune health in adult cats.

Learn More!

Also available in
Ocean Fish & Rice Recipe.

Science Diet Active Longevity

Science Diet®
Active Longevity

Now clinically proven to improve
kidney health in mature adult cats
in 30 days.*

Learn More!
Science Diet Active Longevity

Science Diet®
Senior 11+ Age Defying

Precisely balanced, easy-to-digest
nutrition to fight 4 important signs
of aging in 30 days.*

Learn More!

Also available in Indoor Cat.

*Tested in healthy mature adult cats that were previously fed grocery foods.