Cats need protein just like we do but they also need it in a different way. So if you plan to share mushrooms with your cat you should cook them without any additives and seasonings. Overall you should avoid feeding mushrooms to your cat but some store-bought mushrooms can be safe for cats.
Cats are obligate carnivores which means they require a meat-based diet. This is among the foods they can safely eat as long as your cat eats this in moderation. Can Cats Eat Cooked Mushrooms. Veterinarians usually caution against supplying your cat or dog with large amounts of protein.