Oregano is a woody-stemmed herb with small, rounded leaves, belonging to the mint family. Commonly featured in Italian, Greek, Syrian, Argentinian, Mexican, and Turkish dishes, it enjoys global popularity. Throughout history, it has served both culinary and medicinal purposes. Many cultures have used oregano to treat a variety of ailments, ranging from coughs and stomach pains to wound care.
Oregano was first cultivated in the hilly regions of the Mediterranean and parts of western Asia. Greece has long been a major producer of oregano, with ancient Greeks believing it was a gift from the goddess Aphrodite. Over time, oregano spread across Europe, Asia, and Africa, becoming a key ingredient in Italian and certain Middle Eastern cuisines, as well as being used for medicinal purposes in China and Egypt.
Oregano has a robust, herbaceous flavor that combines the warmth of thyme with the sweet, medicinal notes of marjoram, along with a subtle anise-like astringency. Rich in aromatic oils, it releases a lot of flavor from just a few leaves. As a key ingredient in Italian seasoning, oregano is often linked to dishes that use this blend. While there are various types of oregano, the most common is Oregano vulgare, also known as Spanish thyme or wild marjoram.
- Oregano is a used in:
- Pizza
- Pasta sauces
- Greek salads
- Tacos
- Grilled meats
- Roasted vegetables
- It’s also essential in herb mixes like:
- Italian seasoning
- Herbes de Provence
- Oregano adds depth to:
- Soups
- Stews
- Casseroles
- Egg-based dishes
Did you know that cooking with oregano is not only delicious but also packed with healing properties? This powerful herb has been used for centuries in both culinary and medicinal practices, offering a range of health benefits. Oregano is known for its high antioxidant content, which helps protect the body from harmful free radicals. It also boasts antimicrobial, anti-inflammatory, and antifungal properties, making it a great natural remedy for everything from digestive issues to respiratory problems. Incorporating oregano into your meals can not only enhance the flavor but also provide a boost to your overall well-being.
6 Health Benefits of Oregano:
- Rich in Antioxidants
Oregano is loaded with antioxidants, particularly carvacrol and thymol, which help protect the body from free radicals. These unstable molecules are linked to chronic diseases like cancer and heart disease, and antioxidants help neutralize their harmful effects.
- Fights Bacteria
Oregano has powerful antibacterial properties. Studies show that oregano essential oil can inhibit the growth of harmful bacteria like E. coli and Pseudomonas aeruginosa, both of which can cause infections. In fact, oregano has proven to be one of the most effective essential oils for fighting bacteria.
- May Have Anti-Cancer Properties
Oregano’s antioxidants not only protect cells from damage but may also help prevent cancer. Some studies suggest that oregano extract can stop the growth of colon cancer cells, and the compound carvacrol has shown promise in suppressing cancer cell spread. However, these effects were observed in test tubes, so more research is needed to confirm its impact in humans.
- May Help Reduce Viral Infections
In addition to fighting bacteria, oregano has antiviral properties. Carvacrol and thymol have been shown to inactivate viruses like norovirus and herpes simplex virus in laboratory studies, suggesting oregano could help reduce viral infections.
- Reduces Inflammation
Oregano is known for its anti-inflammatory effects. Chronic inflammation is linked to diseases such as heart disease and diabetes. Oregano’s compounds, like carvacrol, can help reduce inflammation. Animal studies have shown that carvacrol can decrease swelling, and oregano oil has been found to lower inflammation markers in mice with colitis.
- Easy to Add to Your Diet
Oregano is a versatile herb that can be easily added to your diet. Whether fresh, dried, or as an essential oil, oregano enhances the flavor of a variety of dishes. It’s especially common in Mediterranean cuisine and can be used in everything from soups to salads and pasta.
Oregano oil is commonly used in cooking, but oregano essential oil should never be ingested as it can be toxic. The chemical components of oregano include:
- Phenolics, which may have antimicrobial, antioxidant, anticancer, and anti-inflammatory effects
- Terpenes
- Flavonoids
- Sterols
- Tannins, which also possess antioxidant properties
Dietary antioxidants help the body remove free radicals—unstable molecules produced by natural processes and environmental factors. An accumulation of free radicals can lead to oxidative stress, potentially causing cell damage and increasing the risk of various diseases, including cancer.
Numerous studies have reported the efficacy of oregano oil’s many medicinal actions, particularly in fighting Candida overgrowth.
Antifungal Properties
A 2001 study at Georgetown University Medical Center demonstrated that oregano oil could completely inhibit the growth of Candida albicans. The research also found that daily supplementation with oregano oil was highly effective both as a treatment and a preventive measure for candidiasis.
Further studies revealed that oregano oil contains two powerful antimicrobial compounds, carvacrol and thymol. These compounds work by interacting with the water in your bloodstream, dehydrating and ultimately killing the Candida yeast cells.
Other research has shown that the major components of oregano extract—carvacrol, thymol, and eugenol—are highly effective antifungals. These terpenoid phenols are not only potent against free-floating Candida cells but also target the biofilms that are often resistant to many pharmaceutical antifungal treatments. Among these compounds, carvacrol stands out as the most effective, as studies show it remains active even against mature biofilms.
Antimicrobial Properties
A remarkable study conducted by the University of West England found that carvacrol, the active ingredient in oregano, was more effective as an antimicrobial agent than 18 different pharmaceutical drugs. The study revealed that even small amounts of carvacrol could sterilize septic water, kill Giardia, and treat Candida overgrowth infections. In fact, carvacrol demonstrated superior antimicrobial action compared to antibiotics like streptomycin and penicillin.
Additionally, oregano oil has been shown to inhibit the growth of clinical strains of serious bacteria, such as E. coli and Pseudomonas aeruginosa, even when these bacteria had developed resistance to multiple antibiotics.

Sha’s Wellness Tip: Cook your scrambled eggs with oregano to boost your immunity at the start fo the day.
Source of information: The medical and health-related content on this website is based on information sourced from trusted platforms including WebMD, MedlinePlus (U.S. National Library of Medicine), the U.S. Food and Drug Administration (FDA), and Healthline.com. These sources are regularly consulted to ensure the accuracy and reliability of the information provided. However, this content is for informational purposes only and should not be considered a substitute for professional medical advice, diagnosis, or treatment.