Fish Oil for Cats: Benefits, Uses & Side Effects

Can Goldfish Thrive in a Bowl?
Can Goldfish Thrive in a Bowl?


People frequently receive recommendations for fish oil supplements. The omega-3 fatty acids EPA and DHA are particularly abundant in this oil. These are crucial for anti-inflammatory agents, skin health, and brain development. Although many people use this supplement, our kitties may also benefit from it. A lot of cat and dog food contains fish oil.

Fish oil can be added as a separate supplement for cats that may benefit from it in addition to being used in diet to raise the omega fatty acid level. This component is present in a variety of supplements that are offered at pet stores and online.

Does Fish Oil Help Cats?

Contrary to many other supplements, the usage of fish oil in cats has undergone extensive research. Numerous research have examined a variety of various advantages of fish oil.

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One study in particular discovered that cats’ inflammatory and immunological responses were decreased by flaxseed and fish oils. This is largely due to the high quantities of omega fatty acids, especially omega 3s, present in both components.

According to a different study, fish oil and primrose oil can both effectively treat a certain type of dermatitis. Given that omega fatty acids are recognized as being crucial to the health of the skin, it is probably beneficial in treating a variety of skin conditions.

Fish oil: How Effective Is It?

It depends on the cat and the outcomes you want. Especially when taken expressly to treat a condition, fish oil is frequently combined with other substances. For instance, fish oil is frequently used to manage renal illness, but it’s not the only medication utilized to do so. A diet low in protein as well as additional supplements are frequently used. Generally speaking, fish oil appears to be quite useful for a wide range of conditions, from skin irritability to cancer.

How can I give fish oil to my cat?

You can provide fish oil to your cats in a variety of ways. Although it isn’t true for all recipes, fish oil is frequently added directly to cat food. Giving your cat fish oil in this way is most likely the simplest method. However, if fish oil is just mentioned as “fish oil” in an ingredient list, it’s not always clear how high-quality it is. Additionally, you frequently don’t know the precise dosage, which is crucial for several issues.

Additionally, fish oil can be administered orally or as a liquid. Of course, it can be challenging to get cats to consume capsules. Liquids can be put into your cat’s diet or added to water.

Consequences of Fish Oil

In terms of dietary supplements, fish oil is rather secure. Giving cats too much fish oil is challenging. They won’t be able to properly digest it if they are given too much, which frequently results in stomach issues. In the majority of instances, it doesn’t, though. Vomiting and diarrhea may be frequent.

A cat may experience lethargy, a fishy odor, and excessively greasy skin if given too much fish oil over an extended period of time. Delay in wound healing is another possibility. But with excessively long-term dose, this happens.

Sometimes, adverse consequences are really serious. One of these is pancreatitis, which happens when a cat eats too many lipids. Pancreatitis is not completely improbable because fish oil includes lipids.

Other Things to Think About

Given that many fish are high in mercury and other heavy metals, fish oil can quickly become contaminated with these substances. Many reputable oil businesses remove them. High-quality alternatives frequently do not, though. Long-term usage of these can be harmful to cats, especially those who already have impaired renal function.

Cats with blood-clotting issues also shouldn’t be fed fish oil because it can intensify the anti-clotting effects. Additionally, because it may result in a slight excess of blood thinning, those using blood thinners should avoid taking them.


Skin issues, kidney issues, and other inflammatory disorders are just a few of the conditions that fish oil can help with. The majority of the fats in this supplement are omega-3 fatty acids, which are crucial for a variety of bodily processes. For example, the brain consumes large amounts of fatty acids. A cat’s cognitive performance can be improved by adding more to their food. Of course, using fish oil without first understanding any potential negative effects is not advised. The most frequent side effects are digestive, particularly if the supplement is taken on an empty stomach.

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