* While fish is a great source of lean protein and omega-3 fatty acid, avoid fish with high mercury levels, such as shark, swordfish, king mackerel, and tilefish while breastfeeding. * Avoid consuming empty calories such as those found in juice, soda, sweetened coffee drinks, etc. * Avoid refined grains such as bread, tortillas, and pastries made with white flour; white rice; white pasta; and instant oatmeal. * Steer clear of refined sugar as well; it is found in things like ice cream, candy, cakes, pies, and cookies. * Finally, avoid fried foods as well as fatty cuts of meat.