Low-carb dog food can help support healthier weight, better digestion, and steady energy—especially for dogs that struggle with heavy, starch-filled kibble. This expert-reviewed 2026 guide breaks down what low-carb really means, how to choose the right formula for your dog, and which top products perform best based on real testing and owner feedback. Whether your dog needs better metabolic support or you simply want a cleaner, high-protein diet, this guide covers everything you need to make an informed choice.