What are Oregano Supplements?

G. Wiesen

Oregano supplements are dietary supplements intended to provide some of the physiological benefits of oregano, often taking the form of oregano oil. While the true benefits and quantifiable results of oregano oil, also sometimes referred to as carvacrol, are still being researched, there are some known positives as well as some less tested but often discussed benefits of oregano supplements. There is research to indicate that oregano oil is an extremely effective antioxidant. It has also been used by some as a non-medicinal cure for certain skin conditions, as well as possessing proven gastrointestinal benefits and effects.

Oregano oil has high levels of antioxidants.
Oregano oil has high levels of antioxidants.

Found in many different foods, oregano is an herb found in the Mediterranean region and is commonly used on pizza, flavored breads, and baked pastas. Oregano supplements specifically seek to ensure the greatest and most numerous benefits of using oregano for both ingestion and potential topical applications. There is research that indicates that ingestion of oregano oil can help certain digestive issues, such as diarrhea, upset stomach, and indigestion.

While oregano supplements are more effective in liquid form, it can be found in capsule form as well.
While oregano supplements are more effective in liquid form, it can be found in capsule form as well.

Oregano supplements can come in several different forms, but most research has indicated that it is most effective in oil form. This can be found both in bottles of liquid and in capsule form that has the liquid pre-measured for daily use. While the capsules may allow for greater mobility and make for easier travel, the liquid form has the added benefit of allowing topical application if desired. Some people also recommend only using oregano supplements or oil from oregano grown in Mediterranean regions and handpicked.

Strong evidence points to the use of oregano supplements in eliminating parasites within the intestines. Taking oil of oregano orally for a period of time can eliminate certain intestinal parasites and may improve digestion by increasing bile production in the body. Some people also point to oil of oregano for topical use in helping reduce or eliminate skin irritation or conditions such as acne, warts, and insect bites. Research has indicated that as an insect repellent oregano oil may be effective, but not as effective as products manufactured with N,N-Diethyl-meta-toluamide (DEET) specifically for use as an insect repellent.

Some people insist on only using oil that is extracted through a process called steam distilling. Manufacturers, however, are not required to reveal how they produce the oil, so anyone looking to buy an oregano supplement should research several different companies before purchase. Anyone looking to begin taking oregano supplements should also know that it can cause allergic reactions, especially in those allergic to plants in the Lamiaceae family.

Oil of oregano may be helpful as a treatment for warts when used topically.
Oil of oregano may be helpful as a treatment for warts when used topically.

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Discussion Comments


@dega2010: Oregano p73 is three times more concentrated than the regular oil of oregano. It has been tested and is found to have a high degree of anti-fungal, anti-parasitic, anti-viral and antibacterial actions. The p73 comes from polyphenol 73%.

The oregano p73 is so potent that it is capable of destroying the resistant fungi.


I have heard of something called Oregano P73. What exactly is that?

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