Hydrogenated/haɪˈdrɑːdʒəneɪtɪd/ Definition 1 of 2Pro Tip 1/3Health Consideration Often indicates food products less healthy due to processed content. Hydrogenated oils can increase bad cholesterol levels. Pro Tip 2/3Longer Shelf Life Implying the item, like margarine, remains fresh longer through hydrogenation. Hydrogenated fats are used in cookies for longer shelf life. Pro Tip 3/3Texture Influence Hydrogenated substances are often creamier or more solid at room temperature. The spread is made with hydrogenated vegetable oil for smoothness.