Currently, I’m-Yunity® has only been evaluated for safety and efficacy in dogs. Animal species other than dogs may react differently to this product and we cannot guarantee its safety and efficacy in all animal species. If there is not a medical reason why your animal cannot have a mushroom extract then the product would be considered reasonable to try for immune supplementation. We recommend discussing the use of this product in any animal other than a dog with your veterinarian prior to use.
Some vets and owners have used I'm-Yunity® in cats. Since cats can be more sensitive to herbal supplements in general. You can introduce it with half dose based on body weight or give 1-2 capsules per day.