iOnco
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Hydroxytyrosol / Olive Polyphenols

Olea europaea (polyphenol fraction)

Anti-tumourmoderate evidence

Hydroxytyrosol from olives has the highest ORAC antioxidant capacity of any plant compound and shows selective anti-cancer activity against breast, colon, and prostate cancers through EGFR inhibition and pro-apoptotic effects. Mediterranean populations consuming high olive oil have significantly lower cancer incidence. Extra-virgin olive oil provides the highest hydroxytyrosol content.

Medicinal Properties

Anti-tumourAnti-angiogenicAntioxidantCardioprotectiveAnti-inflammatory
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Cancer Types Studied

BreastColonProstate

Recommended Dosage

50–250 mg standardised hydroxytyrosol extract daily, or 3–4 tbsp EVOO daily.

Preparations

Extra-Virgin Olive Oil

3–4 tbsp cold-pressed extra-virgin olive oil daily in food. Never heat beyond 180°C — degrades polyphenols.

Hydroxytyrosol Supplement

50–250 mg standardised hydroxytyrosol (Hytolive or similar) daily for concentrated anti-cancer doses.

NIH / PubMed Research

Links open on PubMed (National Library of Medicine). Research is ongoing — results may not reflect clinical use.

Cautions & Interactions

  • Very safe at food amounts — one of the safest anti-cancer compounds
  • May interact with blood-thinning medications at supplement doses
  • Choose cold-pressed EVOO in dark glass bottles — light degrades polyphenols
  • High calorie density — account for in dietary calculations

Informational only. Not medical advice. Consult your healthcare provider before use.