Garlic is closely related to onions and as a matter of fact when eaten raw it tastes very much like a raw onion as garlic and onions are both members of the Allium family. Too much garlic, however, is poisonous to dogs.
Then if garlic is given to a dog, the person needs to be careful and only give the amount that is needed as it can control parasites like fleas.
While onions definitely are poisonous to dogs, and people either, love garlic or hate it also it is both a prebiotic and probiotic and has many health benefits. As the herb was used by the Ancient Egyptians, and the Babylonians.
As well as the Greeks, Romans, and the Chinese.
Garlic has antioxidants that may reduce the risk of dementia and Alzheimer’s, and can lower blood pressure, cholesterol, and heart disease.