Is Natto Safe for Cats to Eat? Exploring the Benefits and Risks


Natto, a traditional Japanese food made from fermented soybeans, has gained popularity among humans due to its numerous health benefits. But what about cats? Can they safely consume natto, or are there potential risks involved? In this article, we will explore the benefits and risks of feeding natto to cats.

The Benefits of Natto for Cats

While there is limited scientific research on cats specifically, many of the potential benefits of natto for humans can also apply to feline consumption. Natto is a rich source of protein, which is essential for a cat’s overall health and muscle development. It also contains various vitamins and minerals, including vitamin K2, manganese, and iron, that contribute to a cat’s wellbeing.

1. Improved Digestion

Natto contains an enzyme called nattokinase, which can aid in digestion. This enzyme helps break down proteins and supports proper nutrient absorption. If your cat struggles with digestive issues, incorporating small amounts of natto into their diet may be beneficial.

2. Omega-3 Fatty Acids

Natto is a source of omega-3 fatty acids, which have anti-inflammatory properties and may support a healthy heart and brain function. These fatty acids are essential for cats, as they cannot produce them naturally. However, it is important to note that cats have different dietary requirements than humans, so it is recommended to consult with a veterinarian before introducing natto or any new food.

The Risks of Natto for Cats

While there are potential benefits, there are also risks associated with feeding natto to cats. One concern is the high sodium content in natto, which can be harmful to cats if consumed in excessive amounts. Excess sodium intake can lead to dehydration and put strain on a cat’s kidneys. Additionally, the texture and sticky consistency of natto can pose a choking hazard for cats, especially those with dental issues or elderly cats.


Although natto offers potential benefits such as improved digestion and omega-3 fatty acids, it is important to exercise caution when feeding it to cats. Consult with your veterinarian before introducing natto, or any new food, into your cat’s diet. They will be able to provide guidance based on your cat’s individual nutritional needs and any specific health considerations. Always prioritize your cat’s safety and wellbeing when making dietary decisions.

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