Is Olive Leaf Extract Suitable For Long-Term Consumption?

Apr 24, 2025

What is Olive leaf extract?

 

Olive leaf extract is an active ingredient extracted from the leaves of Olea europaea, mainly produced by water, ethanol or supercritical CO₂ process. It is rich in polyphenol compounds and has good anti-aging, antioxidant and cardiovascular protection effects.

 

Active ingredients:

 

  • Oleuropein
  • Rutin
  • Hydroxytyrosol
  • Quercetin

 

olive leaf extract health benefits:

 

1. Olive leaf extract for high blood pressure

It can inhibit excessive platelet aggregation, regulate blood pressure, and treat hypertension.

 

2. Skin moisturizing
It has a soothing and calming effect, can relieve skin sensitivity, redness and swelling, help the skin form a moisturizing barrier, activate and improve dry skin from the source.

 

3. Enhance immunity
Olive leaf extract can stimulate the immune system and enhance immunity. It can also treat chronic fatigue syndrome and relieve fibromyalgia.

 

4. Neuroprotection
The hydroxytyrosol in olive leaf extract powder can protect the nervous system and slow the progression of Alzheimer's disease.
 

5. Anti-aging

Olive leaf extract is rich in polyphenol compounds such as oleuropein and hydroxytyrosol, which can effectively neutralize free radicals and fight aging.

 

6. Help liver detoxification
It can promote the synthesis of glutathione and accelerate the metabolism of ethanol and heavy metals.

 

Comparison of other important extracts from olives:

 

Extract type Main ingredients Application
Olive fruit extract oleuropein, hydroxytyrosol, flavonoids, lignan Edible oils, cholesterol-lowering supplements
Olive Oil Polyphenol Concentrate Hydroxytyrosol, Tyrosol Functional drinks
Olive pomace extract Triterpenes, such as oleanolic acid Anti-inflammatory drug raw materials, skin care emulsifier
Olive Bark Extract Tannins, lignans Hemostasis and wound healing

 

Is olive leaf extract suitable for long-term consumption?

 

1. Animal studies:

Rats given a high dose of oleuropein-rich olive leaf extract for 12 months showed no abnormalities in liver and kidney function.

 

2. Human clinical trials:

Healthy subjects took 500 mg of the standardized extract daily for 6 months and found good safety, although a few subjects reported mild gastrointestinal discomfort.

 

Potential risks and precautions for long-term use:

 

1. Drug interactions

  • Antihypertensive/hypoglycemic drugs: may enhance drug efficacy, blood pressure and blood sugar should be monitored during use.
  • Anticoagulant drugs: oleuropein olive leaf extract may increase the risk of warfarin bleeding due to the presence of ingredients such as rutin.

 

2. Restrictions for special populations
Pregnant/lactating women: lack of long-term safety data, short-term low-dose use (such as ≤100 mg per day) is recommended after consulting a doctor.

 

Autoimmune disease patients: theoretically has an immunomodulatory effect, which may interfere with the condition.

 

3. Overdose risk
Long-term overdose >1000 mg/day may cause headaches, hypotension or electrolyte disorders.

 

Contact Us:

 

Fruiterco is an export company that mainly produces plant extracts, health product raw materials, and cosmetic raw materials. The company has a 20+ professional service after-sales team.

 

Our products are sold to North America, Europe, Australia, South America and Asia. Our products have passed quality inspection and also support customer re-inspection. If you want to buy olive leaf extract, you can contact us: Email: info@fruiterco.com.

 

References:

 

1. https://www.verywellhealth.com/the-benefits-of-olive-leaf-extract-89489

2. https://basicandappliedzoology.springeropen.com/articles/10.1186/s41936-018-0024-8

3. https://draxe.com/nutrition/olive-leaf-benefits/

4. https://pmc.ncbi.nlm.nih.gov/articles/PMC8343934/

5. https://www.webmd.com/diet/health-benefits-olive-leaf-extract

6. https://shop.mani.bio/en/blog/olive-leaves

7. https://pmc.ncbi.nlm.nih.gov/articles/PMC4997426/

8. https://olivewellnessinstitute.org/article/olive-leaf-extract-and-bioavailability/

9. https://www.lifeextension.com/magazine/2013/6/unexpected-benefits-of-olive-leaf-extract

 

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