What is Olive Leaf Tea Good For?

Olive leaf tea, rich in antioxidants, supports overall health by boosting the immune system, reducing inflammation, and protecting against infections. It also helps regulate blood pressure, cholesterol, and blood sugar, while promoting skin, bone, and digestive health.

What is Olive Leaf Tea Good For?

Olive leaf tea is made from the olive tree, native to the Mediterranean region, and has been used for thousands of years for various medicinal and health purposes. Olive leaves contain powerful antioxidants that protect the body from harmful effects. Olive leaf tea benefits include antimicrobial properties effective against bacteria, viruses, and fungi. Anti-inflammatory olive leaf tea can reduce inflammation, lower blood pressure, and balance cholesterol levels.

Benefits of Olive Leaf Tea

  • Promotes cell regeneration.
  • Protects against brain diseases (neurodegenerative effects).
  • Lowers blood pressure and balances cholesterol.
  • Protects against infectious diseases.
  • Stimulates the digestive system.
  • Strengthens the immune system.
  • Benefits skin health.
  • Eases the digestive system.
  • Strengthens bone health and reduces the risk of osteoporosis.
  • Relieves allergic reactions.
  • Supports oral and dental health.
  • Prevents fungal, viral, and bacterial growth.
  • Helps with upper respiratory infections.
  • Balances blood sugar levels.
  • Used for cold sore treatment.
  • Heals wounds.
  • Reduces fever.

Protects Against Brain Diseases (Neurodegenerative Effects)

This study reviewed recent research on olive tree leaf extracts as potential medicinal products or food supplements to alleviate or treat degenerative diseases such as Alzheimer’s and Parkinson’s.

Source: Food and Chemical Toxicology, 159, 112752.

Study: Hadrich, F., Chamkha, M., & Sayadi, S. (2022). Protective effect of olive leaves phenolic compounds against neurodegenerative disorders: Promising alternative for Alzheimer and Parkinson diseases modulation.

Effective Against Infections

This study demonstrated that two different olive leaves (E1 and E2) could significantly reduce inflammation by decreasing IL-8 secretion and inhibiting ROS production in human gastric cells infected with IL-8, thereby reducing oxidative stress.

Source: Antioxidants, 10(12), 2030.

Study: Silvan, J. M., Guerrero-Hurtado, E., Gutiérrez-Docio, A., Alarcón-Cavero, T., Prodanov, M., & Martinez-Rodriguez, A. J. (2021). Olive-leaf extracts modulate inflammation and oxidative stress associated with human H. pylori infection.

Boosts the Immune System

A review on the effects of olive leaves on human health.

Source: Journal of Food Science.

Study: “Antioxidant and Antimicrobial Properties of Olive Leaves and their Potential Impact on Human Health” –

Benefits Skin Health

This study showed that integrating oleuropein, found in olive leaves, into elderly male Balb/c mice sped up skin wound healing. These findings suggest that oleuropein could be beneficial in accelerating post-surgical wound healing in clinical applications.

Source: Cell Journal (Yakhteh), 16(1), 25.

Study: Mehraein, F., Sarbishegi, M., & Aslani, A. (2014). Evaluation of effect of oleuropein on skin wound healing in aged male BALB/c mice.

Eases the Digestive System

According to the results, OLE (olive leaf extract) showed a significant reduction in α-glucosidase.

Source: Ankara Üniv Vet Fak Derg, 66, 163-169, 2019.

Study: Temiz, M. A., & Temur, A. (2019). The effect of olive leaf extract on digestive enzyme inhibition and insulin production in streptozotocin-induced diabetic rats.

Strengthens Bone Health and Reduces the Risk of Osteoporosis

This study explored the effects of olive leaf on bone mineralization.

Source: The Journal of Poultry Science, 55(1), 17-27.

Study: Leskovec, J., Levart, A., Žgur, S., Jordan, D., Pirman, T., Salobir, J., & Rezar, V. (2018). Effects of olive leaf and marigold extracts on the utilization of nutrients and on bone mineralization using two different oil sources in broilers.

May Relieve Allergic Reactions

This study examined the chemical composition and antioxidant activities of olive leaf extracts in an allergic asthma model.

Source: Drug and Chemical Toxicology, 45(1), 197-208.

Study: Rouibah, Z., Ben Mensour, A., Rekik, O., Boumendjel, M., Taibi, F., Bouaziz, M., … & Boumendjel, A. (2022). Chemical composition, antioxidant activities, in an allergic asthma model, of Olea europaea L. leaf extracts from Collo (Skikda, Algeria).

Supports Oral and Dental Health

Multiple scientific findings indicate that microbial plaque is a significant factor for gingivitis, and its reduction can prevent it. Olive leaf tea gargles may be beneficial in acute gingivitis.

Source: Diyala Journal of Medicine, 22(2), 64-75.

Study: Hasan, L. S., Latif, I. I., & Mohammed, S. H. (2022). Efficacy of Olive Leaf Extract Mouthwash on Clinical and Inflammatory Parameters of Gingival Inflammation in Relation to Chlorhexidine in Acute Gingivitis Serum Patients.

Prevents Fungal, Viral, and Bacterial Growth

Research on the antimicrobial properties of olive leaf extract showed it was effective against various microorganisms.

Source: International journal of antimicrobial agents, 33(5), 461-463.

Study: Sudjana, A. N., D’Orazio, C., Ryan, V., Rasool, N., Ng, J., Islam, N., … & Hammer, K. A. (2009). Antimicrobial activity of commercial Olea europaea (olive) leaf extract.

Helps with Upper Respiratory Infections

This study showed that olive leaf extract’s anti-inflammatory effects may help alleviate symptoms of upper respiratory infections.

Study: Bisignano, G., Tomaino, A., Cascio, R. L., Crisafi, G., Uccella, N., & Saija, A. (1999). On the in-vitro antimicrobial activity of oleuropein and hydroxytyrosol.

Balances Blood Sugar Levels

This study provided the theoretical basis for the use of olive leaf extract in obesity management due to its potential to provide a feeling of satiety.

Source: Molecular nutrition & food research, 57(11), 2079-2085.

Study: De Bock, M., Thorstensen, E. B., Derraik, J. G., Henderson, H. V., Hofman, P. L., & Cutfield, W. S. (2013). Human absorption and metabolism of oleuropein and hydroxytyrosol ingested as olive (Olea europaea L.) leaf extract.

Used for Cold Sore Treatment

This study showed that olive leaf extract’s antiviral effects inhibit the proliferation of the virus, helping in cold sore treatment and healing lesions.

Source: Scientia pharmaceutica, 78(2), 133-154.

Study: Omar, S. H. (2010). Oleuropein in olive and its pharmacological effects.

Heals Wounds

This study showed that Olea europaea L. leaves, water, and fruits were applied topically in skin ulcers and used to heal inflammatory wounds.

Source: Journal of Medicinal Food, 14(1-2), 140-146. Fitoterapia, 92, 84-94.

Study: Koca, U., Süntar, I., Akkol, E. K., Yılmazer, D., & Alper, M. (2011). Wound repair potential of Olea europaea L. leaf extracts revealed by in vivo experimental models and comparative evaluation of the extracts’ antioxidant activity.

Reduces Fever

This study evaluated the antinociceptive and antipyretic effects of olive leaf extract.

Source: Journal of Pharmaceutical Sciences and Research, 10(11), 2916-2920.

Study: Ghazi, A. M., & Al-Baghdadi, R. J. T. (2018). Evaluation of the antinociceptive and antipyretic effects of the Iraqi olive leaf extract in murine animals.