These are just a few of the human foods that you can toss your dogâs way. Remember to try them in small amounts. If your dog experiences any sort of reaction, immediately consult a veterinarian. Before giving your dog any people food, do your research to make sure itâs safe. Never feed your dog toxic human items such as: chocolate, onions, grapes, raisins, yeast dough, artificial sweeteners, macadamia nuts, avocadoes, alcohol, or coffee. Consult your veterinarian with any questions on what is safe and what is harmful.