SAN FRANCISCO — Hero Bread, maker of bread and baked goods with little to no net carbs, 0g of sugar, fewer calories, and higher protein and fiber per serving, is expanding into quick-service restaurants Just Salad and Freebirds World Burrito. It is also launching in Market District stores in three states as well as Chicago-based Dom’s Kitchen & Market. With the expanded distribution, consumers across the US will be able to experience the company’s most popular products from the company, like Hero Tortillas.