HEALTH GUIDESINGREDIENTSRESEARCH
A puppy and senior dog — the full arc of a dog's life
THE GOOD DOG GUIDE

Everything You Wish Your Dog Could Tell You About Their Health.

Straightforward, science-backed answers about your dog's gut, immunity, nutrition, aging and everyday health — so you can help them feel their best for more good years.

GUT HEALTHIMMUNITYVITALITYHEALTHY AGINGINGREDIENTS

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Jump to:Gut + MicrobiomeImmune HealthHealthy AgingVitality + EnergyCellular Health + Oxidative StressNutrition + Daily HealthIngredients + Supplement Science

Gut + Microbiome

Gut + Microbiome7 min read

What Is the Gut Microbiome in Dogs?

A dog's gut microbiome is the community of trillions of microorganisms — primarily bacteria, but also fungi, viruses, an...

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Gut + Microbiome6 min read

Why Is Gut Health Important for Dogs?

Gut health is important for dogs because the gastrointestinal tract is involved in far more than digestion. The gut hous...

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Gut + Microbiome7 min read

What Are Probiotics for Dogs?

Probiotics are live microorganisms that, when consumed in adequate amounts, may confer a health benefit on the host. In ...

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Gut + Microbiome6 min read

How Do Probiotics Work in Dogs?

Probiotics work in dogs through several mechanisms: competitive exclusion of pathogens, production of antimicrobial comp...

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Immune Health

Immune Health8 min read

What Are Functional Mushrooms for Dogs?

Functional mushrooms are mushroom species used for their potential health-supporting properties beyond basic nutrition. ...

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Immune Health7 min read

How Does a Dog's Immune System Work?

A dog's immune system is a complex network of cells, tissues, and organs that defends the body against pathogens, abnorm...

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Immune Health6 min read

What Is the Connection Between Gut Health and Immunity in Dogs?

The gut and the immune system are deeply interconnected in dogs. Approximately 70 to 80 percent of immune cells are loca...

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Healthy Aging

Healthy Aging7 min read

What Does Healthy Aging Mean for Dogs?

Healthy aging for dogs means maintaining physical vitality, cognitive function, immune resilience, and quality of life a...

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Healthy Aging5 min read

When Should You Start Supporting Healthy Aging in Dogs?

The evidence increasingly suggests that supporting healthy aging in dogs should begin before obvious signs of aging appe...

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Healthy Aging5 min read

What Is Canine Healthspan?

Canine healthspan refers to the period of a dog's life during which they maintain good health, physical function, and qu...

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Cellular Health + Oxidative Stress

Cellular Health + Oxidative Stress7 min read

What Is Oxidative Stress in Dogs?

Oxidative stress in dogs occurs when the production of reactive oxygen species (free radicals) exceeds the body's antiox...

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Cellular Health + Oxidative Stress6 min read

Why Are Antioxidants Important for Dogs?

Antioxidants are compounds that neutralize free radicals — unstable molecules that can damage cells, proteins, and DNA. ...

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Nutrition + Daily Health

Nutrition + Daily Health6 min read

How Does Nutrition Affect a Dog as They Age?

Nutrition has a profound effect on how dogs age. As dogs get older, their nutritional needs change — protein requirement...

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Nutrition + Daily Health6 min read

Can Daily Nutrition Support Long-Term Health in Dogs?

Yes — consistent daily nutrition is one of the most powerful tools available for supporting long-term health in dogs. Th...

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Nutrition + Daily Health7 min read

Should Healthy Dogs Take a Daily Supplement?

Whether a healthy dog should take a daily supplement depends on the specific supplement, the dog's individual needs, and...

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