SKU: 59238524769

Hydroxytyrosol Extreme™ - 25 mg, 90 capsules - 2 pack

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Description

Hydroxytyrosol Extreme™ - 25 mg, 90 capsules - 2 packProtects cardiovascular tissue from free radical damage and supports a healthy inflammatory response. Supports heart and heart function Strengthens the body's immune system Slows down the aging process Supports various organ health View Certificate of Analysis Research Supported Benefits: Protects Cardiac and Endothelial Tissue. Human studies have shown that hydroxytyrosol supplementation decreases inflammatory markers. It also increases production of

Protects cardiovascular tissue from free radical damage and supports a healthy inflammatory response.

  • Supports heart and heart function 
  • Strengthens the body's immune system 
  • Slows down the aging process 
  • Supports various organ health 

View Certificate of Analysis

Research-Supported Benefits:

Protects Cardiac and Endothelial Tissue. Human studies have shown that hydroxytyrosol supplementation decreases inflammatory markers. It also increases production of superoxide dismutase (SOD), the body’s own antioxidant, to reduce tissue damage.1

Promotes Healthy Blood Markers: Hydroxytyrosol metabolites attach to excess lipids in the blood and remove them, leading to a decrease in blood lipids. This reduction can reduce the immune response which is a key factor in aging-related damage to blood vessels.1

Decreases Free-Radical Burden: Hydroxytyrosol reduces excess free-radicals and nitric oxide, which are signaling molecules that can lead to DNA and protein damage. Additionally, it can activate certain anti-inflammatory proteins which can help improve tissue health in the blood vessels, digestive system,and liver.1

Supports DNA Health: Activates expression of the sirtuins through the same mechanisms as caloric restriction. In addition, hydroxytyrosol encourages the destruction of abnormal cells without inhibiting the function of healthy cells.2

References:

1. Boss A, Bishop KS, Marlow G, Barnett MPG, Ferguson LR. Evidence to support the anti-cancer effect of olive leaf extract and future directions. Nutrients. 2016;8(8):513. doi:10.3390/nu8080513 

2. Sharifi-Rad J, Rodrigues CF, Sharopov F, et al. Diet, lifestyle and cardiovascular diseases: linking pathophysiology to cardioprotective effects of natural bioactive compounds. International Journal of Environmental Research and Public Health. 2020;17(7):2326. doi:10.3390/ijerph17072326 doi:10.3390/ijerph17072326

3. Lockyer S, Yaqoob P, Spencer JPE, Rowland I. Olive leaf phenolics and cardiovascular risk reduction: Physiological effects and mechanisms of action. Nutrition and Aging. 2012;1(2):125-140. doi:10.3233/NUA-2012-0011

4. Vijakumaran U, Shanmugam J, Heng JW, et al. Effects of hydroxytyrosol in endothelial functioning: a comprehensive review. Molecules. 2023;28(4):1861. doi:10.3390/molecules28041861

5. Robles-Almazan M, Pulido-Moran M, Moreno-Fernandez J, et al. Hydroxytyrosol: Bioavailability, toxicity, and clinical applications. Food Research International. 2018;105:654-667. doi:10.1016/j.foodres.2017.11.053 

6. Robles-Almazan M, Pulido-Moran M, Moreno-Fernandez J, et al. Hydroxytyrosol: Bioavailability, toxicity, and clinical applications. Food Research International. 2018;105:654-667. doi:10.1016/j.foodres.2017.11.053

  • Hydroxytyrosol is present in small amounts in olive oil and is thought to be one of the reasons those who eat a Mediterranean style diet experience slower aging and better health into older age.2
  • Hydroxytyrosol, a primary bioactive agent found in olive leaves and olive oil, has the greatest measured antioxidant capacity of all tested polyphenols with an ORAC score of 68,576. This small molecule is able to cross the blood-brain barrier and diffuse through tissues to capture free radicals and nitric oxygen species.1
  • Hydroxytyrosol reduces inflammation in tissues and decreases the response of the immune system.4
  • Hydroxytyrosol Extreme™ is rapidly absorbed through the intestines and into circulation to deliver antioxidant and anti-inflammatory effects throughout tissues in the cardiovascular system, digestive tissue, and the liver. It facilitates more effective absorption of vitamins A, D, and K. 
  • Hydroxytyrosol slows the aging of tissues by reducing free radical damage and enhancing transcription of sirtuins.1
Supplement Facts
Serving Size: 1 Capsule
Servings Per Container: 90
Amount Per Serving %DV
Olive Leaf Extract 25% Hydroxytyrosol (Olea25™) Yielding 25 mg Hydroxytyrosol 100 mg
†Daily Value not established.
Rev. 10.23 
  • OTHER INGREDIENTS: Rice flour, vegetable capsule.
  • DOES NOT CONTAIN: Dairy, egg, soy, wheat, gluten, corn, fish, shellfish, tree nuts, peanuts.
  • SUGGESTED DAILY USE: Take 1 capsule daily, or as recommended by your healthcare professional.
  • NOTE: Store in a cool, dry place, away from direct sunlight. Do not use if tamper-evident packaging is broken. KEEP OUT OF REACH OF CHILDREN.
  • CAUTION: People sensitive or allergic to olives or olive leaf should not take this product. Not intended for use by pregnant or nursing women. Not formulated for use in children. If you have a medical condition or are taking medications,
    consult with your healthcare professional before using this product.

Better Absorption. Olea25™ proprietary extraction process yields a hydroxytyrosol concentration standardized to an unprecedented 25%, compared to other products that commonly standardize their hydroxytyrosol supplements to 6% or less. This combination helps to slow the absorption allowing it to work longer in the body.

Research-Supported. Hydroxytyrosol has been extensively studied for its cardiovascular and anti-inflammatory benefits. Hydroxytyrosol Extreme™ is formulated to have the highest potency available standardized to 25%, compared to others which are standardized to 6% or less, to promote longevity and decrease age-related loss of function through improved heart function, normal immune response, and healthy levels of inflammation.

Quality Manufacturing Practices. All of our products are manufactured in an FDA-registered, GMP-certified facility.

Third-Party Tested in the USA. Every batch is third-party tested in US laboratories to ensure the highest quality, purity and potency. Certificates of Analysis are available.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 59238524769

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Lori K
Pawtucket, US
★★★★★ 5
Easy set up
Model: iPad Pro 12.9 2022/2021/2020/2018
Nice product. I cracked my screen in my iPad and wanted something to keep it from getting worse
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Reviewed in the United States on June 12, 2026
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Drew
Whiting, US
★★★★★ 5
A Perfect 5-Star Refill Solution!
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
As a heavy user of my Epson EcoTank printer, I am always on the hunt for reliable, high-quality, and cost-effective refill ink, and the QIOCKTO 522 set is exactly that—a phenomenal find! Effortless & Mess-Free Refilling: The design of these bottles is truly genius. They feature the same key-lock nozzle system as the OEM bottles, meaning they only fit into the correct color tank, and the refill process is completely automatic and totally mess-free. I didn't spill a single drop, which is a huge win for EcoTank owners. Exceptional Print Quality: After refilling, the print results are indistinguishable from the original Epson ink. I've printed everything from detailed photos to plain text documents, and the colors are vibrant, the blacks are deep, and there is no smearing or clogging. My printer recognized the ink perfectly and continued operating without any errors. Incredible Value: This 4-pack offers a massive volume of ink for a fraction of the cost of the brand-name refills. For the quality and the quantity you receive, this is hands-down the best value on the market for keeping your EcoTank running. If you own a compatible EcoTank printer and want to save money without sacrificing quality or ease of use, these QIOCKTO 522 ink bottles are a must-buy!
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Reviewed in the United States on October 15, 2025
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ohtotoro
Omaha, US
★★★★★ 5
Easy to use Ink Refill for Epson printers
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow, Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
This was a fantastic ink refill for my Epson 522 printer. I had been simply purchasing new cartridges in the past, but I decided to simply try to refill it the current ones that I was using. This was easy to use and surprisingly mess free. It didn't change the compatibility once I refilled the cartridge, which was a worry. The cost was very reasonable considering the expense of buying new cartridges. The quality was high when I started to print, and I was very impressed that there was no smearing or degradation in the ink or the readability. This worked very well, and I am extremely happy with the product. Clean up was trivial. I was amazed that there was no leaking either. Would definitely buy again.
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Reviewed in the United States on December 9, 2025
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Deb G-P
Louisville, US
★★★★★ 5
Highly recommend
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
Worked perfectly for my printer! The print quality is just as good as the original ink it came with, and the price is much better. Easy to install, no leaks, and looks like it will last a long time.
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Reviewed in the United States on August 11, 2025
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steve l
Pawtucket, US
★★★★★ 5
Large bottles
Color: 2 Black,1 Cyan,1 Magenta,1 Yellow, Color: 2 Black,1 Cyan,1 Magenta,1 Yellow
The bottles are a good size larger than expected and come with an extra black. Easy to fill without any spilling and works great in my printer. I am pleased with the print quality and color. Price is very reasonable for all you get.
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Reviewed in the United States on October 4, 2025

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