Thin film  (e.g.,  Listerine PocketPaks ) Liquid   solution  or  suspension  (e.g.,  drink  or  syrup ) Powder  or  liquid  or  solid   crystals Natural  or  herbal   plant ,  seed , or  food  of sorts (e.g.,  marijuana  such as that found in " special brownies ") [ edit ]Inhalational Aerosol Inhaler