347,182k Readers
Trusted by Consumers and Businesses
Supplements and Nutrition
What is olive leaf extract

Olive leaf extract has been used traditionally to help treat many issues including diarrhea and urinary tract infections.

Olive Leaf Extract

What is olive leaf extract? Olive leaf extract is taken from the leaves of the olive tree. It is blended and grinded to produce its powder form.  To produce its oil and liquid varieties, a specialized extraction process is employed.

What is olive leaf extract good for? Olive leaf benefits and uses are quite extensive. It has been used traditionally and presently for inflammation, diarrhea, urinary tract infections, stomach ailments, and many other issues.14 Olive leaf extract medical research also suggests it is useful for lowering blood pressure, treating influenza, and inhibiting viruses and bacteria.2 This is largely due to its antimicrobial and antioxidant properties.1

Olive Leaf Extract Benefits

Olive leaf extract cures and can help treat many diseases. Many studies have been conducted to support this claim.

Olive Leaf Extract Herpes

Does olive leaf extract cure herpes? A study was executed to verify the effects of olive leaf extract on herpes. It was determined that a compound in the extract offers useful antiviral activities, as it was able to create a barrier that prohibited future growth.3 This property is primarily attributed to the high concentration of oleuropein found in the leaves.

It has been suggested that olive leaf extract cures HPV, or rather, its common symptom, warts.4 Consumption of olive leaf extract as a tincture, powder, or capsule can aid in its treatment. With the use of olive leaf extract, genital warts cannot thrive.3

Olive Leaf Extract Cures STDs Anecdotally

Many individuals have claimed that olive leaf extract cures some STDs. As we’ve seen, research has shown success against herpes, as olive leaf extract did create a barrier that stifled the growth of the virus.3 However, more research must be done to confirm the belief that olive leaf cures other types of STDs.

Olive Leaf Extract Blood Pressure

Its anti-bacterial properties make olive leaf oil a potential treatment for many ailments, including acne, candida overgrowth, and nail fungus.

In one study conducted on rats, a mixture of olive leaf extract was used to determine its effect on blood pressure. It was discovered that a compound in the extract was successful in normalizing blood pressure levels.5 Olive leaf extract reviews and studies such as this make it a promising agent in helping sufferers of hypertension and abnormal blood pressure levels.

Olive Leaf Extract Candida

Candida albicans is the most common yeast found in humans, typically in the intestinal tract.6 When there is an overgrowth of these organisms, irritating symptoms can occur in the mouth, throat or genital area.6

With the use of olive leaf extract, candida die off.2 This can be attributed to its antifungal and antimicrobial elements. Oral ingestion of olive leaf extract pills offer a natural cure for such infections.2

Olive Leaf Extract Acne

Acne vulgaris is characterized by the hyper-colonization of bacteria in the sebaceous follicle.7 There is very little support surrounding the effects of olive leaf extract on acne. However, based on the benefits of olive leaf and its classification as an anti-viral, anti-retroviral, antimicrobial element, it can be assumed that olive leaf can help heal a bacterial ailment such as acne.2

Olive Leaf Extract Benefits For Skin & Eczema

In a study that reviewed the result of a topical treatment for psoriasis and similar eczematous skin disorders, it was discovered that glucosides like oleuropein, along with antioxidant and anti-inflammatory properties, were found useful. Oleuropein specifically was able to offer adequate treatment of skin tissues damaged from mild to moderate psoriasis. 8 Thus with olive leaf extract, eczema sufferers may receive some relief.

Olive Leaf Extract Shingles

Shingles is a viral infection that is characterized by pain and red blisters. It has been suggested that individuals with weakened immune systems are more susceptible to shingles.9 The health benefits of olive leaf extract for shingles is its oleuropein content, as it has been suggested that this antioxidant boosts the immune system and aids with inflammation.10

Olive Leaf Extract Benefits Weight Loss

While there are many benefits of olive leaf extract, weight loss benefits are uncertain and require more research. However, many have praised antioxidants for their ability to help reduce weight. Studies have shown a correlation between obesity, type 2 diabetes, and oxidative stress.11 Antioxidants are recognized as being able to eliminate oxidation.11 Thus, it is understood why individuals would consider olive leaf for this benefit.

Olive Leaf Extract Testosterone

In a study conducted on rats that measured the outcome of olive leaf extract on male rats’ reproductive parameters, a decrease in testosterone and estradiol was confirmed. The result was strongly correlated to the concentration of the extract used on each test subject.12 

The most beneficial compound in olive leaf extract is oleuropein. It’s also found in olive oil, but is considerably easier to get in higher doses in extract form.

However, it may be effective at preventing issues that occur due to lack of another hormone – estrogen. Another study was conducted on rats that evaluated olive leaf extract and its effect on ovariectomy dyslipidemia resulting from estrogen deficiency.

With Olive leaf extract, estrogen deficiency, or rather ovariectomy dyslipidemia resulting from it, was found to be a limited.13

Olive Leaf Extract Cough & Strep Throat

By using olive leaf extract, strep throat can heal efficiently. It is a viable natural remedy due to its antimicrobial, anti-oxidant and anti-inflammatory, properties. Together, they help to lessen the pain and combat the bacterium that cause strep-throat.14

Olive Leaf Extract For Parasites

Along with its other benefits, oleuropein and its phenolic components are recognized for abilities to eradicate a variety of bacteria and some parasites from the body, such as Toxoplasma gondii. 17

Olive leaf extract benefits and olive leaf extract side effects

While known for its anti-bacterial qualities, olive leaf extract has been useful against some parasites as well.

Olive Leaf Extract MRSA

MRSA is a gram-positive bacterium. This type of bacterium has a thick wall containing teichoic acids. Oleuropein has been recognized for its potent antimicrobial activities against such strains of bacteria.14

Olive Leaf Extract For BV

Bacterial vaginosis occurs due to an imbalance in good and bad bacteria, much like yeast infections. Thus, curing BV may be possible with olive leaf extract due its antimicrobial functions.2

Olive Leaf Extract For Tooth Infections

Tooth infections occur due to bacteria invading the pulp of the tooth.15 The anti-microbial and anti-viral agents ascribed to olive leaf extract may assist with healing this ailment. 14

Olive Leaf Extract Nail Fungus

For nail infections, olive leaf extract has been supported as a natural and inexpensive means of treating this condition.2

Olive Leaf Extract Anti-Inflammatory

Oleuropein is recognized as an element that has anti-inflammatory benefits, which are effective in reducing and swelling, inflammation and irritation. 14

Olive Leaf Extract Side Effects

There are minimal reviews on the side effects of olive leaf extract. One examination of a 67-year-old woman who consumed an olive leaf extract supplement containing other additives was conducted. Based on her body weight, olive leaf extract toxicity resulted.16

The high concentration of the extract in the supplement (85mg) was too much for her body weight, which stood at 65 kg. Thus, toxicity can result from a discrepancy in weight and dosage of the olive leaf supplement. Toxicity symptoms included mood swings, and a shift in the behavioral responses of the woman. Based on the research, and overdose of hydroxytyrosol, another compound found in olive leaf extract, was largely responsible for these reactions.16

There is very little evidence surrounding the intake of olive leaf extract while breastfeeding. To avoid complications, it is best to consult a healthcare provider before consuming. As with most supplements, you should always consult with your doctor before taking olive leaf extract when pregnant.

Does olive leaf extract kill good bacteria? As a known anti-bacterial, a common olive leaf extract side effect question is whether it kills good bacteria. There is minimal evidence pointing to this, and most studies focus on its ability to kill harmful bacteria.

Olive Leaf Extract Dosage

Although a natural herb, olive leaf extract overdose can be harmful.16 More research must be done to determine the optimal dose and tolerance level.

How to take olive leaf extract? Taking olive leaf extract capsules are just one of the ways you can receive its benefits. A 500mg capsule is usually taken once or twice a day. This is the best way to take olive leaf extract as it contains a sufficient amount of the active ingredient.16

Olive leaf extract liquid is also available. By adding a couple of drops to a glass of water, consumers can take advantage of the benefits.

How long for olive leaf extract to work? According to various reviews, olive leaf extract takes can take a few days or up to a week to see results.

Where to Buy Olive Leaf Extract

Where can I buy olive leaf extract? It is relatively easy to find olive leaf extract, Wal-Mart being a big box store that carries a variety of different brands of olive leaf extract pills. At GNC, olive leaf extract is also available.

If you’d rather look online for olive leaf extract, Amazon also carries a variety of products. On this platform, olive leaf oil, olive leaf pills, and a range of pure olive leaf extract products are accessible.

Best Olive Leaf Extract

There is a bit of a discrepancy concerning the olive leaf extract best brand. According to user reviews, the following names are the most favored:

  • Barlean’s Olive Leaf Extract
  • Seagate Olive Leaf Extract
  • Swanson Olive Leaf Extract
  • Thorne Olive Leaf Extract
  • Herb Pharm Olive Leaf Extract

If you are searching for a brand that offers organic olive leaf extract, the brands mentioned above are also recommended.

Scientific Research Referenced in this Article

  1. Lee, O., & Lee, B. (2017). Antioxidant and antimicrobial activities of individual and combined phenolics in Olea europaea leaf extract. Retrieved 27 November 2017, from http://www.sciencedirect.com/science/article/pii/S0960852409017179
  2. Brady, D., & Copp, S. (2017). Cite a Website – Cite This For Mecom. Retrieved 27 November 2017, from http://www.oakwaynaturals.com/content/designs_for_health/OLE090.pdf
  3. Motamedifar, M., Nekooeian, A., & Moatari, A. (2015). The Effect of Hydroalcoholic Extract of Olive Leaves against Herpes Simplex Virus Type 1.Iranian Journal Of Medical Sciences, 32(4), 222-226. Retrieved from http://ijms.sums.ac.ir/index.php/IJMS/article/view/1878/565
  4. Warts. (2017). University of Maryland Medical Center. Retrieved 27 November 2017, from http://www.umm.edu/health/medical/altmed/condition/warts
  5. Khayyal, M., El-Ghazaly, M., Abdallah, D., Nassar, N., Okpanyi, S., & Kreuter, M. (2011). Blood Pressure Lowering Effect of an Olive Leaf Extract {Olea europaed) in L-NAME Induced Hypertension in Rats. Arzneimittelforschung52(11), 797-802. http://dx.doi.org/10.1055/s-0031-1299970
  6. Candidiasis | Types of Diseses | Fungal Diseases | CDC. (2017). gov. Retrieved 27 November 2017, from https://www.cdc.gov/fungal/diseases/candidiasis/index.html
  7. Zouboulis, C. (2001). Is Acne vulgaris a Genuine Inflammatory Disease?. Dermatology203(4), 277-279. http://dx.doi.org/10.1159/000051771
  8. Patent US6440465 – Topical composition for the treatment of psoriasis and related skin disorders. (2017). Google Books. Retrieved 27 November 2017, from https://www.google.com/patents/US6440465
  9. Shingles – Symptoms and causes – Mayo Clinic. (2017). org. Retrieved 27 November 2017, from https://www.mayoclinic.org/diseases-conditions/shingles/symptoms-causes/syc-20353054
  10. Hughes, D. (2005). Plant polyphenols: Modifiers of immune function and risk of cardiovascular disease. Nutrition21(3), 422-423. http://dx.doi.org/10.1016/j.nut.2004.11.003
  11. Abdali, D., Samson, S., & Grover, A. (2015). How Effective Are Antioxidant Supplements in Obesity and Diabetes?. Medical Principles And Practice24(3), 201-215. http://dx.doi.org/10.1159/000375305
  12. Tabrizi¹, J. S., Rostami, F. F., Dolatabad, S. S., Bojnordi, T. K., & Ahmadi¹, S. S. Effect of Olea europaea Extract on Male Rats’ Reproductive Parameters.  General Policy, 59.
  13. Yoon, L., Liu, Y.-N., Park, H., & Kim, H.-S. (2015). Olive Leaf Extract Elevates Hepatic PPAR αmRNA Expression and Improves Serum Lipid Profiles in Ovariectomized Rats. Journal of Medicinal Food18(7), 738–744. http://doi.org/10.1089/jmf.2014.3287
  14. Omar, S. H. (2010). Oleuropein in Olive and its Pharmacological Effects. Scientia Pharmaceutica78(2), 133–154. http://doi.org/10.3797/scipharm.0912-18
  15. Tooth abscess – Symptoms and causes – Mayo Clinic. (2017). org. Retrieved 27 November 2017, from https://www.mayoclinic.org/diseases-conditions/tooth-abscess/symptoms-causes/syc-20350901
  16. Shaw, I. (2017). Possible toxicity of olive leaf extract in a dietary supplement – New Zealand Medical Journalorg.nz. Retrieved 27 November 2017, from https://www.nzma.org.nz/journal/read-the-journal/all-issues/2010-2019/2016/vol-129-no-1432-1-april-2016/6854
  17. Hashmi, M. A., Khan, A., Hanif, M., Farooq, U., & Perveen, S. (2015). Traditional uses, phytochemistry, and pharmacology of Olea europaea (olive). Evidence-Based Complementary and Alternative Medicine2015. DOI: 1155/2015/541591