To make a protein, amino acids are linked together in a long chain. The chain is then bundled into to a three-dimensional structure, like a tangled ball of yarn. Although there are hundreds of different amino acids, only 21 are used in animal proteins.

Proteins are the essential building blocks of all tissues and organs of the body including:
Proteins are often described as the 'backbone' of cells because they have a structural role in all cell walls. Proteins are required for all tissue growth, replenishment and repair.
Young pets may need several visits in their first year for vaccinations. Adult pets generally benefit from annual check-ups, while senior or special-needs pets might require more frequent visits.
If there is more protein available than necessary for building blocks, proteins may also be used as a source of dietary energy.
Advanced nutrition shown to support joint health and improve mobility
Over 70% of dogs lost weight within 10 weeks when fed this nutrition
Supports energy level, joint health, and beautiful coat in large breed mature dogs
This weight management and mobility support dog food was created with Hill’s unique understanding of the biology of overweight dogs.
Learn about important differences between dogs and cats, such as cost & space considerations. These factors can help you decide which pet is best for you.
Learn the basics of adopting a pet, including where to begin and common questions you should ask yourself when deciding which kind of pet is best for you.
Open admission animal shelters help end animal abandonment, homelessness, and unnecessary euthanasia. Learn more about the shelters and how you can help.
Learn how to include pets in your New Year's resolutions. Exercise, eating healthier and relieving stress are all goals you & your pet can achieve together.
Our low calorie formula helps you control your pet's weight. It's packed with high-quality protein for building lean muscles, and made with purposeful ingredients for a flavorful, nutritious meal. Clinically proven antioxidants, Vitamin C+E, help promote a healthy immune system.
Our low calorie formula helps you control your pet's weight. It's packed with high-quality protein for building lean muscles, and made with purposeful ingredients for a flavorful, nutritious meal. Clinically proven antioxidants, Vitamin C+E, help promote a healthy immune system.