Can dogs eat spinach? Benefits and Potential Risks

Spinach is a delicious and versatile vegetable that can be used in everything from salads to soups. In fact, the leaves are so tasty that some may just snack on them.

Spinach is often referred to as a superfood due to its high nutrient density and human health benefits. We know that spinach has some amazing health benefits for humans, and it’s often called a “superfood” – with good reason! But what about dogs?

You may be wondering if spinach has the same health benefits for your dog as it has for you and if you can toss a few leaves in his bowl.

Can dogs eat spinach?

The short answer is yes. Spinach is a safe vegetable for dogs because it’s non-toxic and packed with nutrients, but only in small amounts. Although there is little to no evidence to support this, we can safely assume that spinach offers the same health benefits to dogs as it does to us. It’s packed with iron, fiber, and vitamins B and K, all of which are essential for maintaining healthy bodily functions.

But spinach is only safe to keep dogs in small, rare amounts, Therefore, it is likely that these health benefits will not be apparent. Spinach contains a compound called oxalic acid which can have some negative effects on your pet’s health – it could cause kidney damage and interfere with calcium absorption from the gut. As with all foods, it’s important to check with your usual veterinarian before making any changes to your dog’s diet.

Is Spinach Good for Dogs?

Spinach is a source of iron and fiber and rich in vitamins.

These leafy greens are said to have positive effects on the immune system and protect us from heart disease and diabetes. There’s little to no evidence that the same is true for dogs, and when you’re already feeding your pet a complete and balanced diet, they’re getting everything they need to stay healthy. But a bit of spinach from time to time could still be beneficial for your dog!


Iron is probably the nutrient spinach is best known for and is essential for maintaining healthy red blood cells. Red blood cells carry oxygen throughout the body, so eating iron-rich foods helps maintain supplies to ensure all cells and tissues in the body receive oxygen and carry carbon dioxide away.


Dietary fiber is an important nutrient as it helps keep the intestines healthy. Fiber is known to be essential to reduce the risk of colon cancer as well as chronic diseases like heart disease and diabetes in humans. In dogs, fiber helps improve and maintain gut health.


Spinach is full of vitamins and minerals. It’s a special good source for vitamin kwhich is an essential part of blood clotting. Spinach is also a great source of vitamin B, which plays a role in metabolism and maintaining energy levels. Remember that feeding your dog a complete and balanced commercial diet will provide your dog with all the nutrients it needs. Anything extra that comes from veggies like spinach is an added extra.

Prevention of chronic diseases

spinach is packed with antioxidants which protect the body’s cells and tissues from oxidative damage. Spinach also contains what are known as phytochemicals, which may play a role in preventing damage and chronic diseases like diabetes and high blood pressure. There is little to no evidence of this in dogs, but spinach is certainly a healthy vegetable that may have similar health benefits in dogs.

Dangers of Spinach for Dogs

Spinach and artichoke dip in a bowl
Be careful when sharing spinach that contains other ingredients that may upset a dog’s stomach, like cheese or onions.

So we know that spinach is a great superfood with many health benefits. But there are also some risks you need to be aware of before feeding it to your dog.

Spinach contains a large amount of a substance called oxalic acid. The kidneys will normally excrete oxalic acid, but only in small portions. But if spinach is fed too often, oxalic acid can build up in your dog’s blood. This isn’t immediately dangerous, but it does have some negative effects on your dog’s health that are best avoided. It also means your dog is probably not eating enough spinach to reap the amazing health benefits it could have.

High levels of oxalic acid can decrease calcium absorption because it reacts with calcium in the gut to form calcium oxalate – an insoluble compound that cannot be reabsorbed into the bloodstream. Since calcium is essential for maintaining healthy bones and teeth, a reduced intake of calcium could be dangerous in the long term. Calcium oxalate can also form crystals that can lodge in the kidneys — aka Kidney stonesa painful condition that can cause kidney damage.

Now it’s important to note that dogs would have to eat an extremely large amount of spinach to cause this type of damage. However, However, you should not feed your dog spinach every day, as long-term consumption of too much spinach can lead to kidney stress, muscle weakness or an abnormal heart rhythm. Also, too many vegetables can cause an upset stomach in some dogs. Dogs with kidney problems or who have previously suffered from kidney or bladder stones should not be given spinach as they are at a higher risk of these problems becoming a problem. You should always discuss any changes or additions to your dog’s diet with your vet first to ensure it is appropriate.

How to feed your dog spinach

Mixing spinach into your dog’s diet can have health benefits. But how much is recommended?

As we now know, spinach shouldn’t be too high in your dog’s diet. But if you want to add something to their diet every now and then, you’ll be wondering how to feed your dog spinach.

Fresh spinach is always best as it is the most nutritious, but frozen spinach that has been thawed and cooked is also safe. However, always make sure that frozen spinach does not contain any added sugar or preservatives, as these can cause stomach upset. Canned spinach often contains additives, so make sure it’s only bottled with water.

How Much Spinach Can I Feed My Dog?

Spinach should only be fed 1-2 tbsp fresh or cooked spinach max. This can be added to your dog’s food as a treat, regardless of your dog’s size. This is probably equivalent to a small handful of fresh spinach leaves.

If you want your dog to experience the health benefits of spinach, consider a Spinach Dog Treats. Ollie fresh dog food also includes spinach in some of its recipes.

How often can I feed my dog ​​spinach?

Feeding spinach too often can decrease calcium absorption and increase the risk of kidney damage, so it should be fed in bite-sized amounts. rare amounts. Adding it to your dog’s diet every few weeks is sufficient, regardless of your dog’s size.

What About Other Foods That Contain Spinach?

Fresh spinach alone is certainly not the only spinach you will find in your kitchen. Can Dogs Eat Spinach In Other Dishes? Now, It depends on the dish and other ingredients. Most spinach dishes contain other foods that can be toxic, like onions and garlic. But these can also be spicy or just very rich and likely to give your dog an upset stomach. So avoid sharing them with your pet.

frequently asked Questions

Is Spinach Toxic to Dogs?

Spinach is non-toxic to dogs and is safe to feed in moderation. But large amounts or overfeeding can reduce calcium absorption and lead to kidney damage.

Can Dogs Eat Frozen Spinach?

Dogs can eat frozen spinach as long as it doesn’t contain any additives or sugar. It should be thoroughly thawed beforehand. Also, make sure the packaging doesn’t contain any other toxic ingredients like garlic.

What vegetables can I feed my dog?

Most vegetables are safe for dogs. Carrots, potatoes, broccoli, sweet potatoes, and butternut squash are safe to feed to dogs when cooked.

How Much Spinach Is Safe for Dogs?

A small serving of spinach is fine for dogs as an occasional treat but should not be fed every day or in large quantities. A tablespoon or two of spinach is enough in a serving.

Final Thoughts

Spinach is a nutrient-dense vegetable that may have some great benefits for the immune system, energy levels, maintaining iron levels, and preventing chronic diseases like heart disease and diabetes.

Spinach is non-toxic and safe to feed dogs, but only in small amounts and as an occasional treat, but it’s not a vegetable you want to feed your dog too often. Spinach is high in oxalic acid, which can decrease calcium absorption in the body and lead to kidney damage. A little (1-2 tablespoons) every now and then is fine but should not be fed to dogs who already have kidney problems.

Always check with your veterinarian before making any changes to your dog’s diet to make sure it’s right for him.

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