Bosco® Chocolate Syrup. The good stuff. The flavor of sharing since 1928. Excellent source of B vitamins. Made with natural cocoa. Net wt. 22 oz. (624g). Created by a doctor as a milk enhancer in 1928, Bosco contains vitamins, smiles and fun. As fourth generation syrup makers, we're proud to carry on the tradition of the rich, chocolatey goodness loved by kids of all ages. No artificial preservatives. No artificial flavors. No artificial colors. Good stuff. postoffice@boscoworld.com. boscoworld.com.