Garlic has earned a reputation as one of nature’s healthiest foods, and for good reason. It contains sulfur compounds—especially allicin—that have shown antibacterial, antifungal, and antiviral activity in laboratory studies. However, social media claims that garlic “kills 14 types of bacteria and 13 types of infections” are misleading and not supported by strong clinical evidence in humans.
Garlic is a nutritious food, but it is not a substitute for antibiotics or other medical treatments.
What Makes Garlic Special?
When fresh garlic is crushed or chopped, it produces allicin, a compound responsible for much of its distinctive aroma and many of its biological properties.
Researchers have studied allicin for its:
- Antioxidant activity
- Antimicrobial effects
- Anti-inflammatory properties
Most of these findings come from laboratory or animal studies, and they do not mean that eating garlic will cure infections in people.