You should pack your diet with antioxidants, says the National Liver Foundation. Antioxidants help protect your liver, promote recovery if it's damaged and even inhibit cancer cells. Eat a variety of colorful fruits and vegetables, which tend to provide the most antioxidants.Rich examples include sweet potatoes, mangoes, carrots, berries, spinach, kale, tomatoes, apricots, watermelon and oranges.f left untreated, this inflammation can cause scar tissue that can overtake liver tissue -- a process called fibrosis -- keeping your liver from functioning well and preventing normal blood flow into the organ.