Oregano: The Tiny Herb with Mighty Antimicrobial Powers

Oregano: The Tiny Herb with Mighty Antimicrobial Powers

Sofia Keady

Last week I wrote about the fantastic health benefits of Oregano Oil when it comes to treating bronchitis, sinus infections and mild asthma.   It can also be helpful in acting as an expectorant moving mucous out of our lungs and sinuses.

When you think of oregano, there’s no doubt we probably picture a garden filled with fragrant herbs. But his humble kitchen staple is also a natural powerhouse when it comes to fighting off microbes.  Oregano isn't just tasty, it's tough.

So, what makes Oregano Oil so powerful? The secret lies in two key compounds: carvacrol and thymol. These natural chemicals don’t just give oregano its bold scent—they’re also responsible for its potent antimicrobial properties.

In particular, carvacrol has been shown to break down bacterial cell walls, effectively stopping harmful microbes from growing and spreading. Think of it as oregano’s way of taking down the bad guys before they get comfortable.

Here’s where things get exciting. It’s believed that oregano oil can fight off a range of harmful microbes, including:

  • E. coli – a common cause of foodborne illness
  • Staphylococcus aureus – known for causing skin infections
  • Candida albicans – the yeast behind thrush and other fungal infections

A 2019 study published in Frontiers in Microbiology even found that oregano essential oil could disrupt biofilms—those tough bacterial layers that cling to surfaces and resist many antibiotics.

Even more promising, some studies suggest oregano oil may be effective against antibiotic-resistant bacteria, making it a potential natural ally in the battle against superbugs.

So how do people use oregano oil? Oregano oil is available in two forms—capsules, or in oil drops. Common uses include:

  • Supporting the immune system
  • Managing minor infections and gut health
  • Acting as a natural remedy during cold and flu season

It’s also sometimes used topically for skin irritations—but always diluted with a carrier oil like coconut or olive oil, since it can be quite strong on its own.

 A Few Words of Caution though. Oregano oil is powerful, which means moderation is key.  Using too much can irritate your stomach or skin, and it's not recommended during pregnancy or for young children. Always speak to a healthcare professional before adding it to your wellness routine.

Oregano oil isn’t just another wellness trend - it’s a time-tested, research-backed natural remedy with real antimicrobial muscle. Whether you’re looking to support your immune system or reduce your reliance on synthetic treatments, oregano oil might just be the herbal hero your health toolkit needs.

For more information call down to the Go Vita at 5 North St, Batemans Bay to chat to the team. Don’t forget to tune in to Sofia and Marianne chatting with Kimmi on 2EC every Wednesday after 12.30pm.