It really is worth your effort! These foods provide pure nutrients for your liver to cleanse and rebuild the blood to provide you with more energy and a healthy body. Organic fruits and vegetables also contain higher amounts of Vitamin A, Vitamin C, and sulfur, which all boost liver detoxification and cleansing. Broccoli, Brussels sprouts, kale, collards, apples, onions, garlic, and squash are all great choices. Also see: 10 Foods to Cleanse and Care for Your Liver.