The World‘s Strongest Antibiotics These herbs and foods are extremely potent against different types of bacteria. Reel 3: 7 best remedies bacteria: Honey, Garlic, etc. What are the 7 strongest agents that I would use against bacterial infections Number 7. Is garlic which contains allicin, which can inactivate different kinds of bacteria and viruses. Number 6. is clove which are effective against many food borne bacteria like e.coli, salmonella and listeria. Number 5. is oil of oregano which is t