Certain natural substances have antibacterial properties. Prescription antibiotics, such as penicillin, have helped people to recover from otherwise fatal diseases and conditions since the 1940s.

According to the NHS, 1 in 10 people experience side effects that harm the digestive system after taking antibiotics. Around 1 in 15 people are allergic to this type of medication.

1. Garlic
2. Oil of Oregano
3. Echinacea
4. Cayenne Pepper
5. Grapefruit Seed Extract
6. Ginger
7. Cabbage
8. Coconut Oil
9. Myrrh Extract
10. Olive Leaf Extract