Nutrition

Bone broth improves palatability, hydration and supplies glycine, but the joint health claims are overstated. An honest look at what bone broth does for your dog.

A new review looks at what "functional ingredients" actually do for dogs, and the answer goes well beyond digestion. Some ingredients in your dog's food do more than provide calories. Researchers call these functional ingredients, and a 2026 review found evidence of their effect across eleven different areas of a dog's health, from the gut and coat to joints, mood, memory and kidneys.