1. Nutritional components of olive oil Olive oil is a very healthy edible oil. It is rich in monounsaturated fatty acids and antioxidants, which can help protect heart and blood vessel health. In addition, olive oil is also rich in nutrients such as vitamins E and K, which are beneficial to promoting body metabolism and immune function. 2. Pregnant women can consume olive oil in moderation. For pregnant women, consume olive oil in moderation.