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Antibiotic and antioxidant herb at the same time?
Olive Leaf

  • Olive leaf contain natural antibiotics beneficial for humans, animals or plants.

  • Olive leaf effectively kills bacteria, viruses and fungi with it’s active ingredient oleuropein.

  • Olive leaves has antioxidant effects, which has scientifically examined.

The Bible mentions olive leaf many times as medicine as well:

Ezekiel book Chapter 47  verse 12
“and the fruit thereof shall be for meat, and the leaf thereof for medicine.”

The book of Revelations Chapter 22 verse 2
“On each side of the river stood the tree of life, bearing twelve crops of fruit, yielding its fruit every month. And the leaves of the tree are for the healing of the nations.”

The book of Genesis, Chapter 3 verse 11:
“When the dove returned to him in the evening, there in its beak was a freshly plucked olive leaf! Then Noah knew that the water had receded from the earth.”


Olive Leaf is the leaf of olive tree scientific name: Olea europaea L. The olive leaf extract supplement’s raw materials are originated from this plant. Olive leaf, olive oil and olive fruit came from the same species Olea europaea L.

With the background of 5500 years cultivation in Europe olive tree (Olea europaea L.) has a rich historical data about it’s uses. Used for increasing the resistance against diseases and for cleaning wounds.

 Olive leaf extract oleuropein benefits on human health

Mediterranian countries such as Israel, Morocco, Italy, Greece, Spain, Turkey, France, Tunisia traditionally using Olive leaves as a natural remedy. They take it in their diet as a herbal extract, herbal tea or powder. Their indications are hypertension, upper respiratory inflammations, wounds, other inflammations, diabetes, high cholesterols.

Natural antibiotic

Olive leaf has a massive antimicrobial activity. It has an antiviral, antifungal and antibacterial activity at the same time. Plus it is a strong antioxidant as well.

Acting as a strong natural antibiotic, therefore in traditional medicines it’s being used against influenza, common cold, bacterial infections, TB, EBV, hepatitis, candidiasis, teeth, ears and urinary infections, herpes simplex, high blood pressure and many more inflammation related disease. 

Scientific research: olive leaf extract antimicrobial source

Study: Olive leaf antioxidant benefits

Antibacterial, antiviral, antifungal activites

Olive leaf extract shown effective against certain bacteria, viruses and fungi at the same time. The responsible agent of these effects it’s chemical ingredient “oleuropein”. The name oleuropein is originated from olive leaf’s latin name Olea europaea. Oleuropein is an antioxidant and shown these antimicrobial effects reported in scienfitic researches. Other active ingredients are phenols such as oleocanthals, flavonoids, polyphenols, another antioxidant hydroxytyrosol and elenolic acid as well.

There are a vast amount of microorganisms olive leaf extract shown effective against:

Klebsiella pneumoniae, Bacillus subtilis,Candida albicans, Cryptococcus neoformans, Haemophilus influenzae, Moraxella catarrhalis, Escherichia coli , Salmonella typhi, Vibrio parahaemolyticus, Vibrio cholerae and Vibrio alginolyticus, Pseudomonas aeruginosa Epstein-Barr Virus (EBV),Staphylococcus aureus

Source: Olea europaea Antiviral effects

 Study: Olive leaf extract oleuropein anti-bacterial, anti-fungal source

Research: Antibacterial effect by olive leaf extract 

Upper Respiratory tract benefits

Studies repeatedly shown olive leaf extract benefits against respiratory tract diseases in the upper zone. Such as common flu and influenza.

Strong Antioxidant

Antioxidant properties and  of olive leaf has examined. Antidiabetes and antihypertensive drugs may slightly interact with Olea europaea herb.

Immune Support

Traditional medicines suggest olive leaf against cold sores, common cold, flu and influenza.In Morrocco olive leaf is traditionally used against hypertension as a folk medicine. From the research side scientific studies shown significance, but today this effect is not proven.


Herxheimer’s reaction:

Olive leaf’s constituent oleuropein effectively kills bacteria, fungus and viruses. When that happens those dead microbes release their toxins from their dead cells. According to studies this can cause headace, fatigue, weakness. Increasing the water intake or stop taking olive might decrease those effects.

This article is not a medical advice and not intended to treat, cure or diagnose any disease. Made for informative purposes. Consult your healthcare professional if you have any medical issue. We suggest you to do an extended research before taking any supplements.

olive leaf capsules
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How to buy excellent quality Olive Leaf extract capsules?

  1. Product should be NON GMO.
  2. Check the additives, preservatives, unnecessary ingredients conten.
  3. Amount of Olive leaf extract in the product.
  4. Amount of oleuropein it is the antibiotic agent part of the olive leaf extract, the higher the better.
  5. Find properly packed supplements, plastics are proven permeable to oxigen, moisture and UV.

Why HerbFlow?

HerbFlow provides premium quality herbal supplements, which are 100% natural and made from carefully selected NON GMO herbs. Our products are Additive Free, Allergen Free, Synthetic Free and we are using Aroma Protective technologies during processes.

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