Can Cats Eat Fish Oil. Tuna is often served in brine or sunflower oil, so cats can easily lap it up with their tongue. In fact, fish oil supplements are one of the most commonly used supplements for pets.
They will eat anything that smells good. Though there are a number of “people foods” that cats can eat, some foods may cause digestive upset or toxicity. Fish oil for cats is an ingredient that has multiple health benefits.
Even cats with fish allergies can usually handle fish oil, since it doesn’t contain any of the proteins that most often trigger an allergic reaction.
The situation when giving your cats fish oil is a little more difficult. The vitamin d is good for their skin. If you are pondering this question, the answer is ‘yes', it is safe to feed cats sardines. For people, fish oils can help reduce the risk of heart attacks, manage high blood pressure and relieve arthritis pain.