Leafy green (Beta vulgaris var. cicla). Non-toxic but high in oxalatesโoffer only small, well-cooked portions without seasonings; avoid if your pet ha... When considering whether Swiss Chard is safe for your pet, it is important to understand the potential risks and benefits. While some human foods are safe for dogs and cats in moderation, others can be toxic or cause digestive upset. Always introduce new foods gradually and monitor your pet for any adverse reactions such as vomiting, diarrhea, or lethargy. If you suspect your pet has ingested something toxic, contact your veterinarian immediately. Nutritional balance is key to a healthy pet, so treats like Swiss Chard should only make up a small percentage of their daily calorie intake. Consult with your vet to determine the best diet for your specific pet's needs, taking into account their age, weight, and health status. This information is for educational purposes and does not replace professional veterinary advice. Ensure that Swiss Chard is prepared safely, without added salt, sugar, or spices that could be harmful to pets.