Best Flavonoids 2026

Advertising Disclosure

Last Updated - 27.03.2026

Best Choice

01

Tavi

Flavonoids | Bioflavonoids | 90 Capsules | Cocoa Flavonoids, OPC, Green Tea Extract, EGCG

Show more

25% Off
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

What are the advantages of taking bioflavonoids or flavonoids? For EU legal reasons, we are unfortunately not permitted to do so-called health claims (so-called "health claims"). If necessary, we recommend that you also inform you about available sources or get medical advice in the pharmacy.
The analysis certificate can be found under "Safety and product resources"
One daily dose (3 capsules) corresponds to the amount of flavonoid in about half a bar of chocolate, five tea bags of green tea and the grape seeds of about one kg of grapes
No additives, optimal dosage
Each batch independently laboratory tested. Vegan
Cocoa flavonoids + green tea flavonoids + grape seed flavonoids (OPC)
Both green tea and cocoa naturally contain caffeine. However, the caffeine content of the product is low. A daily dose contains about as much caffeine as a teaspoon of freshly brewed coffee
760 mg flavonoids/bioflavonoids per day, 90 capsules, made in Germany

24,40 € 32,70 €(25% Off off)
Value for Money

02

Tavi

Flavonoids | Bioflavonoids | 90 Capsules | Cocoa Flavonoids, OPC, Green Tea Extract, EGCG

Show more

33% Off
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

What are the advantages of taking bioflavonoids or flavonoids? For EU legal reasons, we are unfortunately not permitted to do so-called health claims (so-called "health claims"). If necessary, we recommend that you also inform you about available sources or get medical advice in the pharmacy.
The analysis certificate can be found under "Safety and product resources"
One daily dose (3 capsules) corresponds to the amount of flavonoid in about half a bar of chocolate, five tea bags of green tea and the grape seeds of about one kg of grapes
No additives, optimal dosage
Each batch independently laboratory tested. Vegan
Cocoa flavonoids + green tea flavonoids + grape seed flavonoids (OPC)
Both green tea and cocoa naturally contain caffeine. However, the caffeine content of the product is low. A daily dose contains about as much caffeine as a teaspoon of freshly brewed coffee
760 mg flavonoids/bioflavonoids per day, 90 capsules, made in Germany

21,96 € 32,70 €(33% Off off)
03

Greenfood

Bioflavonoids, 500 mg, Hochdosiert, 120 Vegi Capsules of Citrus fruits. Extra Strong Antioxidant. No Artificial Additives. GM Free. Vegan., , ,

Show more
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Pure and natural: our flavonoid capsules are free from artificial additives such as magnesium stearate and silicon dioxide and are gluten, lactose free and vegan. Enjoy the 100% purity and safety, laboratory tested without genetic engineering.
Optimal value for money: Enjoy high-quality flavonoid capsules at a high dose at a price that inspires. With 450 mg per capsule, you get an excellent offer for your daily support with Greenfood.
High-quality raw material: our bioflavonoids capsules contain 450 mg high-dose flavonoids from citrus fruits per capsule. Perfectly dosed for easy and effective daily intake.
Focus on your well-being: Immerse yourself in our wide range of dietary supplements, made in Europe. Customer satisfaction is our top priority, so we offer you excellent value for money. If you have any questions about our high-quality products, we are always at your disposal
Anti-oxidative protection: flavonoids support the protection of cells from oxidative stress and promote overall cell health. Ideal for your daily supplement to support a healthy lifestyle for antioxidant protection and cell health

20,99 €
04

Greenfood

Bioflavonoids, 500 mg, Hochdosiert, 120 Vegi Capsules of Citrus fruits. Extra Strong Antioxidant. No Artificial Additives. GM Free. Vegan., , ,

Show more
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Pure and natural: our flavonoid capsules are free from artificial additives such as magnesium stearate and silicon dioxide and are gluten, lactose free and vegan. Enjoy the 100% purity and safety, laboratory tested without genetic engineering.
Optimal value for money: Enjoy high-quality flavonoid capsules at a high dose at a price that inspires. With 450 mg per capsule, you get an excellent offer for your daily support with Greenfood.
High-quality raw material: our bioflavonoids capsules contain 450 mg high-dose flavonoids from citrus fruits per capsule. Perfectly dosed for easy and effective daily intake.
Focus on your well-being: Immerse yourself in our wide range of dietary supplements, made in Europe. Customer satisfaction is our top priority, so we offer you excellent value for money. If you have any questions about our high-quality products, we are always at your disposal
Anti-oxidative protection: flavonoids support the protection of cells from oxidative stress and promote overall cell health. Ideal for your daily supplement to support a healthy lifestyle for antioxidant protection and cell health

19,94 €
05

Native Vital

Grapefruit Seed Extract, Important: 98% Bioflavonoids, 180 Capsules, Made in Germany, Vegan, Premium Quality

Show more
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

With us you will receive 300 mg bioflavonoids per daily dose, while a whole 100 ml drop bottle often contains only 1200 mg bioflavonoids.
Why are capsules better than drops? Because we do not need solvents (often glycerine i.e. sugar) and antioxidants for the capsules. Compare for yourself.
Use the power of Bioflavionide. Each capsule of Native Vital's Grapefruit Seed Extract provides a strong dose of this valuable substance.
Proudly made in Germany, our products are subject to strict quality standards. Our products are tested in independent German laboratories, including heavy metals (e.g. mercury, lead), mould and micro-organisms such as salmonella.
Our grapefruit seed extract is easy to dose and take, so you can easily and conveniently take advantage of the grapefruit kernels.
Our grapefruit seed extract is 100% natural, derived from sustainably grown grapefruits. We completely do not use unwanted additives such as preservatives, dyes and flavour enhancers.
Our capsules will last for 2 years, even after opening. Drops often need to be consumed within 6 months.
Our capsules are vegan and contain no animal ingredients. They are lactose-free, gluten-free and are therefore also suitable for people with food intolerances or special dietary requirements.
High-dose grapefruit seed extract: with 98% (300 mg) bioflavonoid content per daily dose, our capsules offer one of the highest concentrations on the market.
At Native Vital we rely on purity and quality. Our products contain no artificial fillers or binders - only pure, natural and plant ingredients. Benefit from the power of nature with our grapefruit seed extract.

21,90 €
06

Native Vital

Grapefruit Seed Extract, Important: 98% Bioflavonoids, 180 Capsules, Made in Germany, Vegan, Premium Quality

Show more
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

With us you will receive 300 mg bioflavonoids per daily dose, while a whole 100 ml drop bottle often contains only 1200 mg bioflavonoids.
Why are capsules better than drops? Because we do not need solvents (often glycerine i.e. sugar) and antioxidants for the capsules. Compare for yourself.
Use the power of Bioflavionide. Each capsule of Native Vital's Grapefruit Seed Extract provides a strong dose of this valuable substance.
Proudly made in Germany, our products are subject to strict quality standards. Our products are tested in independent German laboratories, including heavy metals (e.g. mercury, lead), mould and micro-organisms such as salmonella.
Our grapefruit seed extract is easy to dose and take, so you can easily and conveniently take advantage of the grapefruit kernels.
Our grapefruit seed extract is 100% natural, derived from sustainably grown grapefruits. We completely do not use unwanted additives such as preservatives, dyes and flavour enhancers.
Our capsules will last for 2 years, even after opening. Drops often need to be consumed within 6 months.
Our capsules are vegan and contain no animal ingredients. They are lactose-free, gluten-free and are therefore also suitable for people with food intolerances or special dietary requirements.
High-dose grapefruit seed extract: with 98% (300 mg) bioflavonoid content per daily dose, our capsules offer one of the highest concentrations on the market.
At Native Vital we rely on purity and quality. Our products contain no artificial fillers or binders - only pure, natural and plant ingredients. Benefit from the power of nature with our grapefruit seed extract.

20,80 €
07

plantomol

Plantomol Basics Cocoa Flavanol Capsules - Vegan Cocoa Extract Flavanoids to Maintain the Elasticity of Blood Vessels - 200 mg Cocoa Capsules High Dose per Daily Dose - 2 Month Supply

Show more
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Try the flavonoid cocoa capsules from plantomol! Cocoa capsules are made in Germany under strict quality standards
Our Flavanol cocoa capsules are without unwanted additives such as dyes, fillers, artificial flavours or gelatin. In addition, our cocoa flavanol capsules are gluten-free, lactose-free, GMO-free and without preservatives
Cocoa flavanols promote the elasticity of blood vessels, which contributes to normal blood flow
Cocoa extract capsules for easy integration into the daily diet
200 mg cocoa flavanols high dose per daily dose made from high-quality extract

19,90 €
08

LABOTTEGADEGLIINTEGRATORI

Diosmin Hesperidin Bioflavonoid Complex 100 Tablets with OPC from Red Grapevine, Mouse Thorn and Horse Chestnut, Gluten and Lactose Free, for Circulation, Hemorrhoids, Legs, Microcirculation

Show more

14% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

With standardised plant extracts, high-dose OPC
With high-dose flavonoids
Made in Italy
Gluten-free and lactose-free

17,18 € 19,90 €(14% Off off)
09

LABOTTEGADEGLIINTEGRATORI

Diosmin Hesperidin Bioflavonoid Complex 100 Tablets with OPC from Red Grapevine, Mouse Thorn and Horse Chestnut, Gluten and Lactose Free, for Circulation, Hemorrhoids, Legs, Microcirculation

Show more

18% Off
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

With standardised plant extracts, high-dose OPC
With high-dose flavonoids
Made in Italy
Gluten-free and lactose-free

16,32 € 19,90 €(18% Off off)
10

CLAV

Citrus Bioflavonoids - Made from Bitter Orange Extract and Grapefruit Extract with Diosmin Hesperidine Naringin - Flavonoids High Dose - 60 Capsules - Vegan

Show more
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

The power of bitter orange and grapefruit - valuable, high-dose bioflavonoids made of bitter orange extract and grapefruit extract with 264 mg bioflavonoids per daily serving and 7920 mg / 60 capsules.
Sustainable and vegan: we develop and produce in Germany according to HACCP, GMP and ISO 9001 quality standards. Our products carry the V-label quality seal, are gluten and lactose free and our brown glass bottle is fully recyclable.
Superfood capsules - made from 840 mg bitter orange extract (citrus aurantium extract) and 20.2 mg grapefruit extract (citrus paradisi extract) free from additives, vegan, gluten and lactose free.
Flavonoids high dose - with the 3 glycosides naringin, diosmin and hesperidine. Among plant substances, they take a special role, which is why they are also recommended by the German Society for Nutrition.

21,90 €