Can Cats Have Garlic Oil. If you want to be on the safe side, however, you could make up a new batch of garlic oil once a week or so. Unlike garlic and onions, which can cause a deadly condition called heinz body anemia.
Healthy cats can usually take a slice of a single garlic clove two to three times a week and not have to worry about anything. Using homemade garlic oil poses a danger of botulism in people. If you want to be on the safe side, however, you could make up a new batch of garlic oil once a week or so.
I have also heard that garlic oil is okay (like they sell for suppliments for humans) but that fresh garlic is not.
There’s 5% garlic for all the health benefits we’ve mentioned, plus it’s fortified with b1, b2, niacin and vitamin c as an antioxidant. You might have also heard that garlic is a homeopathic remedy to prevent fleas in cats … but it’s simply not worth the risk. Animals often like to have their ears massaged anyway, especially when they’re having trouble with them. The effect on your cat’s red blood cells and lead to anemia.