
A message from our family...
At MasWorth, we believe that what we eat forms the foundation of our health and well-being.
Our mission is to deliver unique, premium-quality products that combine exceptional flavor with proven health benefits. We are honored to share our High Polyphenols Olive Oils with those who value both health and proper nutrition.
Our limited-production, ultra-premium Extra Virgin Olive Oils – November Polyphenols and MasWorth – have earned international acclaim for their outstanding quality, certified richness in polyphenols – Health Claim Category, and exquisite flavor.
Thank you for choosing our products. Your trust drives our passion for quality, always aiming to offer you the Best Olive Oils and we look forward to sharing more of our journey with you.
Masworth Family
High Polyphenols Certified
Our olive oils belong to a special category of oils: Certified high polyphenols olive oil. Also known as health claim category are recognised for the offered health benefits
Certified Organic
NOVEMBER POLYPHENOLS
100% Organic Olive Oil Certified by BIOHELLAS and SOIL Association certified for Distribution in the UK
Fresh Early Harvest
Only sell the most fresh harvest year – Early Harvested October/November every year – Current Harvest: Oct/Nov 2024
Filtered
Filtered to Ensure Optimal Hygiene and Reduced Sediment to avoid oxidation
Globally
Awarded
Internationally recognised across many categories for: High Phenolic Olive Oil
Quality & Taste
Exceptional
Microclimate
Cultivated in one of the best microclimates globally for ultra premium quality
Enjoy our Special Offers
Free Shiping above £25
plus
Extra Discounts
in our Bundle Offerings

Olive Oil
NOVEMBER 500ml
November Polyphenols Early Harvest Organic Olive Oil (500ml)
£24.90
Olive Oil
NOVEMBER 3 x 500ml
10% OFF with 3 or more of November Polyphenols Early Harvest EVOO (500ml)
£74.70
£67.23
High Polyphenols Oil (2024/2025 Harvest: 1073mg/kg)
High Phenolic olive oil (Health Claim 432/2012) requires a rigorous production process compared to mainstream supermarket oils. It entails the selection of specific olive varieties, precise cultivation and extraction/pressing processes, early harvesting, controlled harvest temperatures and many other additional factors.
Fresh Early Harvest
Freshness is key with olive oil-unlike wine. That’s why we offer oil exclusively from the latest harvest, with every bottle clearly labeled with its harvest period. Harvested early, our olives deliver a uniquely fresh, fruity flavor and higher polyphenol levels.
Internationally Awarded
Greek microclimate is another secret behind the world’s best olive oils. Sun-drenched days, mild winters, and gentle sea breezes create the perfect conditions for olive trees to thrive, yielding oil with a rich flavor and enticing aroma that captures the essence of tradition and excellence.
Our Award Winning Oils




Olive Oil
MasWorth 750ml
MasWorth Family Groves Extra Virgin Olive Oil - Fresh Harvest (750ml)
£19.90
Olive Oil
MasWorth 750ml
15% OFF with 3 or more Masworth Family Groves 100% Extra Virgin Olive Oil - Fresh Harvest (750ml)
£60.70
£50.76
High Polyphenols Oil
High-polyphenol olive oil is produced at a higher cost with lower yields-as early-harvest olives yield less juice-yet it offers far more polyphenols than standard oils. Recognized by the European Food Safety Authority (Health Claim EU 432/2012) for its health benefits, it’s a smart choice for regular consumption.
Fresh Early Harvest
Freshness is key with olive oil-unlike wine. That’s why we offer oil exclusively from the latest harvest, with every bottle clearly labeled with its harvest period. Harvested early, our olives deliver a uniquely fresh, fruity flavour and higher polyphenol levels.
Internationally Awarded
Awarded and recognised for its Premium quality in most prestigious Olive Oil competitions around the world. It’s highly appreciated for it’s low acidity, a mark of a good quality and freshness and its unique flavour and aroma.

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Health Benefits of High Polyphenols Olive Oil
Extra virgin olive oil (EVOO), particularly rich in polyphenols, offers numerous health benefits backed by science. Below are some key advantages of incorporating high-polyphenol EVOO into your diet:
Heart Health
Olive Oil Polyphenols help reduce inflammation and oxidative stress, lowering the risk of heart disease by improving blood vessel function, reducing blood pressure, and maintaining healthy cholesterol levels.
Inflammation
The anti-inflammatory properties of polyphenols, particularly oleocanthal, act as natural inflammatories, helping to reduce chronic inflammation linked to arthritis, cardiovascular disease, and other health issues.
Brain Function
Olive Oil Phenols protect neurons from oxidative damage, improving cognitive function and reducing the risk of neurodegenerative diseases like Alzheimer’s and Parkinson’s.
Blood Sugar Levels
Consuming Extra Virgin Olive Oil (EVOO) can improve insulin sensitivity, helping to regulate blood sugar levels and reduce the risk of type 2 diabetes.
Digestive Health
Olive oil supports gut health by reducing inflammation, promoting the growth of beneficial gut bacteria, and improving digestive function.
Cell Protection and Longevity
Olive Oil Polyphenols act as antioxidants, preventing cellular damage. Olive Oil Phenols help Reducing skin inflammation and promote collagen production.
The benefits
High Phenolic Olive Oils
Our collection of premium olive oils is mainly consisted by a Special category of olive oils that are known as “High Polyphenols Olive Oil”, “Medical Grade Olive Oils” or “Health Claim Olive Oil”.