Keto Diet for Dogs: Benefits, Risks & Safe Implementation Guide
Dr. Ruth Roberts |

Keto Diet for Dogs: Benefits, Risks & Safe Implementation Guide

The ketogenic diet for dogs can be a powerful tool in specific situations, but it’s not a one-size-fits-all solution. It’s a high-fat, moderate-protein, and very low-carbohydrate diet that shifts the body’s energy source from glucose (sugar) to ketones, which are produced when fat is metabolized. Let’s dive into when and how this diet can be beneficial, and what you need to consider before starting it.

When is a Keto Diet Beneficial for Dogs?

The keto diet has shown promise in managing certain health conditions in dogs, including:

  • Epilepsy and Seizures: Research in humans and animals suggests that a ketogenic diet can reduce the frequency and severity of seizures. By stabilizing blood sugar levels and providing ketones as an alternative energy source for the brain, the diet may help dogs with idiopathic epilepsy or other seizure disorders

  • Cancer: Cancer cells thrive on glucose, so a keto diet may help "starve" cancer cells by depriving them of their primary energy source. This approach is particularly effective for certain cancers, like hemangiosarcoma, where reducing carbohydrate intake can slow tumor growth .

  • Obesity and Metabolic Disorders: For overweight dogs, a keto diet can promote fat loss while preserving lean muscle mass. It also helps stabilize insulin levels, making it a potential option for dogs with diabetes or insulin resistance

Key Components of a Canine Keto Diet

A proper keto diet for dogs should be carefully balanced to meet their nutritional needs. Here’s what it typically looks like:

  • High Fat (60–80% of calories): Healthy fats like coconut oil, fish oil, and animal fats are the primary energy source. Rotate fats to ensure a variety of nutrients and avoid overloading on one type

  • Moderate Protein (20–30% of calories): Protein should come from high-quality animal sources like chicken, turkey, or beef. Too much protein can interfere with ketosis, so it’s important to keep it moderate

  • Low Carbohydrates (<10% of calories): Carbs should be limited to non-starchy vegetables like zucchini, spinach, or broccoli. Avoid grains, potatoes, and legumes, as these can spike blood sugar levels

How to Implement a Keto Diet for Your Dog

If you’re considering a keto diet for your dog, here’s how to get started:

  1. Work with a Vet or Nutritionist: A ketogenic diet must be carefully formulated to ensure it’s nutritionally complete and appropriate for your dog’s specific needs. This is especially important if your dog has underlying health conditions.

  2. Start with a Transition Period: Gradually reduce carbohydrates and increase fats over 1–2 weeks to allow your dog’s body to adjust to burning fat for energy.

  3. Monitor Ketone Levels: Use urine or blood ketone testing strips to ensure your dog is in ketosis. This helps you fine-tune the diet as needed.

  4. Incorporate Supplements: Digestive enzymes and probiotics can support gut health during the transition. Omega-3 fatty acids from fish oil can also help reduce inflammation

Potential Challenges and Risks

While the keto diet can be beneficial, it’s not suitable for every dog. Here are some considerations:

  • Not for Dogs with Pancreatitis: The high fat content can exacerbate pancreatitis or other fat-sensitive conditions. In these cases, a lower-fat diet is safer

  • Digestive Upset: Some dogs may experience diarrhea or soft stools when transitioning to a high-fat diet. Adding digestive enzymes or adjusting the fat content can help

  • Nutritional Imbalances: Without proper formulation, a keto diet can lead to deficiencies in essential nutrients like vitamins, minerals, and amino acids. This is why working with a professional is critical

Alternatives to a Strict Keto Diet

If a full ketogenic diet isn’t appropriate for your dog, you can still incorporate some keto principles:

  • Low-Carb, High-Protein Diets: These diets reduce carbohydrate intake without the extreme fat levels of a keto diet. 

  • Intermittent Fasting: Periodic fasting can mimic some of the metabolic benefits of ketosis without requiring a strict diet.

Is a Keto Diet Right for Your Dog?

The decision to start a keto diet really depends on your dog’s individual health needs and goals. For some dogs,  particularly those managing epilepsy or cancer, a ketogenic approach can be life-changing. For others, a balanced, species-appropriate diet may be the better fit.

The Original CrockPet Diet already includes tailored recipes that can be adapted into a keto-friendly plan. If you’re curious about whether a ketogenic or low-carb approach is right for your dog, you don’t have to figure it out alone.

👉 Schedule a consultation with an HPHC coach to get a personalized plan for your dog’s needs and learn how to safely adapt The Original CrockPet Diet into a keto recipe that supports their long-term health.

Frequently Asked Questions

Can puppies or senior dogs safely follow a keto diet?

No. Puppies need steady energy from balanced proteins, fats, and carbohydrates to support growth. Senior dogs may have unique health challenges (like kidney or liver issues) that make a high-fat diet unsafe. Keto is generally best reserved for healthy adult dogs with specific health goals or conditions, under professional guidance.

How long does it take for a dog to enter ketosis?

Most dogs can enter ketosis within 1–2 weeks after carbs are restricted and fats are increased. However, this varies by metabolism, activity level, and overall health. Monitoring ketone levels through urine or blood testing can confirm when your dog is in ketosis.

What are signs that a keto diet isn’t working for my dog?

If your dog develops chronic diarrhea, vomiting, lethargy, weight loss, or signs of nutrient deficiency (like poor coat quality or weakness), the diet may not be properly balanced or it may not be appropriate for your dog’s needs. Always reassess with a veterinarian or nutritionist if you notice ongoing issues.

Do dogs need carbohydrate-free diets to be healthy?

No, dogs don’t require carbohydrates, but some digestible carbs (like pumpkin, zucchini, or leafy greens) can provide fiber, vitamins, and minerals that support gut health. In keto feeding, these carbs are used sparingly to avoid spiking blood sugar while still adding valuable nutrients.