Another way to add calories to your dog's diet is to supplement their food with appropriate human food. Examples of safe human food supplements include roasted chicken without the skin, boiled eggs, canned tuna, non-fat plain yoghurt, or plain canned pumpkin.
What can I give my dog to add calories?
To avoid excessive protein in your dog's diet while helping him gain weight, consider adding sweet potato and pumpkin to his food. Boosting their diet with fat and fiber will help your dog's digestion along with weight gain. You can buy canned sweet potato and canned pumpkin from your local grocery store.
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