Hydroxytyrosol Extreme™; 2-Pack - 100 mg, 2 bottles by ProHealth

Powerful Antioxidant for Superior Systemic Support

  • Rapidly absorbed antioxidant
  • Support heart health and defend against free-radicals
  • Pack contains two 90-capsule bottles

Never run out. Cancel anytime.


View Certificate of Analysis »

Hydroxytyrosol has an ORAC value (Oxygen Radical Absorbance Capacity - its ability to absorb cell-damaging free radicals) of 68,576 - which is considered to be 15 times higher than green tea and 3 times higher than CoQ10. A small molecule rapidly absorbed into the bloodstream and tissues, hydroxytyrosol is also able to cross the blood-brain barrier, supporting systemic defense against free radical damage.* ProHealth's Hydroxytyrosol Extreme™ contains 25mg of hydroxytyrosol per capsule, derived from cultivated organic olive leaf.

  • Non-GMO
  • Helps to assimilate vitamins A, D, and K
  • Olive leaf extract aids in coronary health support
  • Strengthens the body's immune system
  • Acts as an antimicrobial agent
  • Contains essential acids that cannot be produced by our own bodies
  • Slows down the aging process
  • Helps bile, liver, and intestinal functions

Label Information

Supplement Facts
Serving Size: 1 vegetarian capsule
Servings Per Container: 90
Amount Per Serving %DV
Olive (Leaf) Extract 25% Hydroxytyrosol (Olea25™) Yielding 25mg Hydroxytyrosol 100 mg *
*Daily Value not established.
Note: Freshness packet is not edible and should be discarded. Product color may vary seasonally.
  • Suggested Use: As a dietary supplement, take 1 capsule daily, or as recommended by your healthcare professional.
  • Storage: Store in a cool, dry place below 30°ree; C (86°ree; F). Keep out of reach of children.
  • Contraindications: If you are pregnant, may become pregnant, or breastfeeding, consult your healthcare professional before using this product. People sensitive or allergic to olives or olive leaf should not take this product.
  • Other Ingredients: Rice Flour, Capsule (Hypromellose, Purified Water).
  • Contains No: Sugar, soy, salt, starch, yeast, corn, wheat, gluten, milk, egg, shellfish or preservatives.
  • Initial Source: Organic olive leaf

Frequently Asked Questions

Is hydroxytyrosol considered GRAS (generally recognized as safe)?


Is hydroxytyrosol considered a new dietary ingredient (NDI)?

No. The health benefits of olive oil have been recognized by many ancient physicians. In recent years, modern sciences and nutritionists have realized that extra virgin olive oil, particularly, contributes significant nutritional value to human health in part due to its content of Hydroxytyrosol. Published research and studies confirm that Hydroxytyrosol may help reduce the risk of heart disease. In addition Hydroxytyrosol from the olive leaf extract has shown to reduce inflammatory indicators.

Are there any human studies on the use of hydroxytyrosol that demonstrate its efficacy?

Yes, there are many human studies that demonstrate the efficacy of Hydroxytyrosol.

Olga Castaner, Maria-Isabel covas, Olha Khymenets, Kristiina Nyyssonen, Valentini Konstantinidou, Hans-Franz Zunft, Rafael de la Torre, Daniel Munoz-Aguayo, Joan Vila, and Montserrart Fito. First published ahead of print March 21, 2012. Protection of LDL from Ocidation by olive oil polyphenols is associated with a downregulation of CD40-ligand expression and its downstream products in vivo in humans.

Maud N. Vissers, Peter L. Zock, Annet J.C. Roodenburg, Rianne Leenen and Martijn B. Katan. Manuscript received December 10, 2001. Olive Oil Phenols Are Absorbed in Humans

CL Leger, MA Carbonneau, F Michel, e Mas, L Monnier, JP Cristol and B Descomps. Published online March 30, 2005. A thromboxane effect of a hydrosytyrosol-rich olive oil wastewater extract in patients with uncomplicated type I diabetes.

M N Vissers, P L Zock and M B Katan1, Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands, Correspondence: Professor MB Katan, Guarantor: MN Vissers. Contributors: MV searched the Medline database, and all authors contributed to the writing of the review. Received 20 March 2003; Revised 2 July 2003; Accepted 7 July 2003. Supported by the International Olive Oil Council and the Foundation for Nutrition and Health Research.

Are there any studies demonstrating its safety?

Hydoxytyrosol: from laboratory investigations to future clinical trials. Sergio Granados-Principal, Jose L Quiles, Cesar L Ramirez-Tortosa, Pedro Sanchez- Rovia, and M Carmen Ramirez-Tortosa. International Life Sciences Institute, 2010.

Hydroxytyrosol, the phenolic compound of live oil protects human PBMC againstoxidative stress and DNA damage mediated by 2,3,7,8 – TCD. Kalaiselvan Ilavarasi, Perumal Vijayaraman Kiruthiga, Shunmugiah Karutha Pandian, Kasi Pandima Devi. Chemisphere 84(2011).


Customer Reviews

Based on 13 reviews
Christopher T.

Hydroxytyrosol Extreme™; 2-Pack

Debra S.

Seems to be helping immunity

Jack K.
Hallo bin sehr zu Frieden.

Hallo bin sehr zu Frieden. Werde wieder bestellen. Lg Eliane Kreis

ildiko C.
Wonderful product, the most potent

Wonderful product, the most potent pure hydroxytyrosol supplement(25mg) that I've found... I like it and it seems to be effective in giving me more energy.
I will definitely order more.

Michael R.
Seems good

Not enough time has passed to accurately assess but so far seems to be positive.

Jeremy S.
Good antioxidant supplement!

Only been taking this supplement for a couple weeks, but have already noticed more energy!

Craig W.

As with most supplements meant for healthy aging there are no noticeable immediate benefits or side effects with taking this supplement. Time will tell.



Daniela R.


Bruno O.
Hydroxytyrosol Extreme

I feel much better since I take with Hydroxytyrosol Extreme:tm: and I am sure it will also improve my general condition when I am getting older.