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Health & Wellness

How Hydroxytyrosol Combats Influenza (Flu) Virus Naturally

Olea25® ~ 25% Bioactive Hydroxytyrosol (DOPET) 


Flu Season Facts


10 ~ 20% population will get the flu on average each year.

200,000 hospitalized each year due to severe symptoms.

12,000 ~ 40,000 die each year due to complications.

$15 Billion cost for hospitalization & outpatient visits.


Start Preventative Measures Today!


Olea25® Olive Leaf Medicinal Properties


Suggested Protocol Dosage with Meals

Adults (2) Capsules Daily

Teenagers (1) Capsule Daily

Over 40+ Years (3-4) Capsules Daily 

Children (1/2) Capsule Daily Mixed with Favorite Shake


Anti-Viral Research

Hydroxytyrosol (polyphenol) naturally sourced from (olive leaf extract) has medicinal benefits from A-Z. Today I will discuss how it combats the influenza virus naturally with no side effects. 

Mechanism of the antiviral effect of hydroxytyrosol on influenza virus appears to involve morphological change of the virus. 

Hydroxytyrosol (HT), a small-molecule phenolic compound, inactivated influenza A viruses including H1N1, H3N2, H5N1, and H9N2 subtypes.

HT also inactivated Newcastle disease virus but not bovine rotavirus, and fowl adenovirus, suggesting that the mechanism of the antiviral effect of HT might require the presence of a viral envelope.

Pretreatment of MDCK cells with HT did not affect the propagation of H9N2 virus subsequently inoculated onto the cells, implying that HT targets the virus but not the host cell. H9N2 virus inactivated with HT retained unaltered hemagglutinating activity and bound to MDCK cells in a manner similar to untreated virus. Neuraminidase activity in the HT-treated virus also remained unchanged.

However, in the cells inoculated with HT-inactivated H9N2 virus, neither viral mRNA nor viral protein was detected. Electron microscopic analysis revealed morphological abnormalities in the HT-treated H9N2 virus.

Most structures found in the HT-treated virus were atypical of influenza virions, and localization of hemagglutinin was not necessarily confined on the virion surface.

These observations suggest that the structure of H9N2 virus could be disrupted and combated by Hydroxytyrosol (HT). 

Antiviral Res. 2009 Jul;83(1):35-44. doi: 10.1016/j.antiviral.2009.03.002. Epub 2009 Mar 24.


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The information provided on this website is intended for educational purposes only. The educational material contained in this site is based on a careful analysis of the scientific literature and the experience of the Longevity by Nature® Sciences team. Our ingredients are cutting edge science and knowledgeable scientists have differing views as to its benefits and safety. We urge each prospective client to become educated about our ingredients and to consult their own experts prior to using any products that are true Anti-Aging, Health Mobility, Beauty dietary supplements. These products are not intended to diagnose, treat, cure, or prevent any disease.