Is it safe to consume olives?

Because olives are very bitter in their raw state, they are soaked in a concentrated brine solution that leaves the final olive product a very salty food. As a result, people with high blood pressure and cardiac heart failure may need to eliminate olives from their diet. Olives and olive oil are not usually allergenic foods. These are also not included on the list of 20 foods that most frequently contain pesticide residues. Olives and olive oil are also not known to contain goitrogens, oxalates, or purines.