Supaverm contains Closantel (N-[5- chloro-4-[(chlorophenyl)cyannomethyl]-2-methylphenyl]-2-hydroxy-3,5-diiodobenzamid). This is effective against cestodes, nematodes and liver flukes.
and Mebendazole (belongs to the family of benzimidazole carbamates. Its structural name is Methyl 5-benzyl-1H-benzimidazole-2yl-carbamate) effective against flukes. Supaverm was originally used in sheep for deworming.