Can Dogs Eat Natto

Yes, dogs can safely eat natto in moderation as it provides probiotics and vitamin K. However, it’s essential to feed them natto in small quantities and not very often to avoid potential gastrointestinal issues.

Natto can interfere with certain medications, so consult with your vet before introducing it into your dog’s diet. Studies suggest that oral administration of natto can enhance the cytotoxic activity of natural killer cells in dogs, indicating potential health benefits with controlled consumption.

Nutritional Benefits of Natto for Dogs


Natto can be a source of protein, and protein is important for your dog’s muscles, growth, and overall well-being. However, you should know there are also other protein sources rather than natoto which can be easily digested by your dog. So, while natto contains protein, there are dog-friendly options to consider.

Vitamin K2: 

Natto can indeed serve as a source of protein, and protein plays a vital role in your dog’s muscle development, growth, and overall well-being.

Benefits of Feeding Your Dogs Natto 

Nevertheless, it’s crucial to remember that there are other protein sources tailored for dogs that could be a superior and more digestible choice.


Natto contains isoflavones, which are natural compounds with possible health advantages. These substances have antioxidants that might lower the risk of specific illnesses.

Dogs have different processes than humans, and their response to isoflavones may be different. It’s crucial to consult with a veterinarian to determine if giving isoflavones to your dog is suitable.

How to Serve Natto to Your Dog Diet? 

Adding natto to your dog’s diet should be approached with caution due to the potential risks and considerations associated with this food. However, if you still wish to incorporate natto into your dog’s meals, here are some guidelines to follow:

How to Add Natto to Your Dog Diet? 

1. Consult with a Veterinarian: Before you introduce natto or any new food into your dog’s diet, it’s crucial to consult with a veterinarian.

2. Small Quantities: If your veterinarian approves, start by introducing very small amounts of natto to your dog’s meals. You have to give small teaspoons in the beginning if your dog does not show any adverse reactions. 

3. Mix with Regular Food: Instead of feeding natto on its own, you can mix it in your dog’s regular diet. This can help mask the strong flavor and texture of natto, making it more palatable for your dog.

4. Ensure Proper Preparation: Prepare the natto according to the package instructions or as per your recipe. Avoid adding any additional seasonings, sauces, or ingredients that may be harmful or unsuitable for dogs. Plain, unseasoned natto is the safest option.

5. Observe Your Dog’s Response: Watch your dog’s behavior, appetite, and overall well-being after incorporating natto into their meals. If you notice any negative reactions or if your dog shows signs of discomfort or allergies, you can simply stop it.

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