The full nutritional analysis for every Petaluma recipe in plain-language tables and charts, with minerals, vitamins, and how each compares to the AAFCO standard.

Copper is essential for dogs, but liver copper levels are rising. Why it matters, which breeds are at risk, and how to check the copper in your dog's food.

Plant-based vs. raw dog food compared on food safety, nutritional balance, and health outcomes, with peer-reviewed sources and a fair look at each approach.

A ranked guide to the best vegan and plant-based dog foods in 2026, with the criteria that matter, vet-formulated picks, and the peer-reviewed research behind meat-free feeding.

Lichens - a symbiotic organism with both fungi and algae cells - have emerged as a source of vegan vitamin D3.   When it comes to our canine comp...

Amino acids are the building blocks of proteins. Proteins are important for many different functions in the body, including the growth and repair ...

Plant-based dog food is growing in popularity but remains controversial in the general public as many people believe that dogs’ nutritional requirements are carnivorous (rather than omnivorous) and therefore would not be able to remain healthy on a meat-free diet. 

Transitioning your dog to a new diet is something to ideally do slowly and thoughtfully, regardless of the diet or formula. Food impacts dogs’ mic...

Ask the internet whether dogs can eat carbohydrates and you'll find passionate arguments on both sides — usually from pet food brands with a fi...

The evolutionary history and speciation of dogs away from their wolf ancestors were driven by adaptations to consume an omnivorous diet with large quantities of plant-based ingredients. Their domestication by humans guided their evolution from a mostly carnivorous diet to a starch-rich diet.