the benefits of a vegan diet for human beings are hard to dispute. the short answer is, “it depends.” read on to learn about the nutrients dogs need, how vegan diets work, and whether or not a vegan diet is a safe choice for your dog. according to veterinarian and former president of the u.s. humane society dr. michael fox, there are two main reasons people elect to feed their dogs a vegan diet: dogs with food allergies are typically …