The most expensive fluid on earth Penicillin, $ 226 per gallon Penicillin is a large group of antibiotics that include penicillin, penicillin, benzoin, penicillin, and proquerin penicillin. Penicillin is essentially used to treat various infections. Previous Next 1 2 3 4 5 6 7 8 9 10 11 12 13 2018-04-12 admin Share ! tweet