Best Bioflavonoids 2026

Advertising Disclosure

Last Updated - 03.02.2026

Best Choice

01

CLAV

2 x Citrus Bioflavonoids - Made from Bitter Orange Extract and Grapefruit Extract with Diosmin Hesperidine Naringin - Flavonoids High Dose - 120 Capsules - Vegan

Show more
9.7

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

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.

37,80 €
02

TAVI

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

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

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

32,70 €
03

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

20,99 €
Value for Money

04

NOW

Now Food, Citrus Bioflavonoids, with Vitamin C and Rutin, 100 Vegan Capsules, Laboratory Tested, Soy Free, Gluten Free, Vegetarian

Show more
9.3

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

Original product: the recommended intake differs from the US consumption recommendation due to the German and European guidelines. Please consult a doctor or alternative practitioner for an individual intake recommendation
No undesirable additives: Citrus Bioflavonoids from Now Foods is gluten-free and produced without genetic engineering
High dose: one dose, two capsules, Citrus Bioflavonoids from Now Foods contains 100 mg vitamin C, 1400 mg citrus bioflavonoid complex and 100 mg rutin, which you can feed your body every day
HIGH QUALITY: Now Foods Citrus Bioflavonoid Capsules are tested in independent laboratories for quality and purity
Good compatibility: Now Foods Citrus Bioflavonoids is characterised by good bioavailability and is suitable for a vegan lifestyle

19,29 €
05

Native Vital

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

Show more
9.1

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.

25,90 €
06

Vita World

Vita World Citrus Bioflavonoid 100 Capsules Vegan 100% Hesperidin Pharmacy Manufacture

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

Suggested use: consume 1 capsule daily with sufficient water.
Minimum shelf life: at least 1 year
Ingredients: orange dried fruit extract (Citrus aurantium L., contains 79% hesperidine), coating agent: hydroxypropyl methylcellulose, filler: microcrystalline cellulose, release agent: magnesium salts of fatty acids
Contents: 100 capsules = 64 g
As a 2. product image, we have stored the product label, on it you will find all important information about the product. To view the picture, please use the 2 buttons at the top left next to the product photo.

17,90 €
07

CLAV

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

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

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 €
08

naturity

Organic Grapefruit Core Extract, 1,200 mg Bioflavonoids, 100 ml, Made in Germany, Organic and Vegan, Laboratory-Tested. Great value for money.

Show more
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

Organic & vegan: Our grapefruit seed extract is made from controlled, certified and organic fruits, and of course our grapefruit seed extract is vegan. Therefore also without unwanted additives such as flavourings, dyes, lactose, gluten and free from genetically modified ingredients (GMO-free) - for the sake of the environment.
Maximum product quality: Carefully manufactured according to GMP & HACCP in Germany. For the best possible product quality and safety. For the sake of your health.
Laboratory tested premium quality: Our dietary supplements are tested by a German institute before they come onto the market. That's why FeelGood stands for premium quality.
Easy & clean to use: Easy to use - 3 x daily 15 drops in enough water. Our squeeze bottle in combination with the dripper lets you dispense the product optimally and cleanly - down to the last drop!
Best price / performance ratio: Highly dosed biological grapefruit core extract with 1,200 mg bioflavonoids, i.e. highest quality and concentration at an affordable price.

19,99 €
09

TAVI

Green Tea Flavonoids, 90 Capsules, Bioflavonoids, EGCG, Catechin, Epicatechin, Flavanols, Green Tea Extract, High Dose + Highly Concentrated

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

️200 mg green tea flavonoids per day, no additives
What are the benefits of taking green tea 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.
Vegan. Each batch is independently laboratory-tested. Made in Germany
The laboratory certificate of analysis can be found under "Safety and product resources"
Manufacture ISO 22000 certified by TÜV CERT GmbH
90 capsules - Highly dosed and highly concentrated extract

29,70 €
10

QIDOSHA

QIDOSHA Vitamin C Complex Buffered Plus Bioflavonoids, 240 Capsules in Pharmacist Glass, Vitamin C 1000 mg, Vit C Buffered with Bioflavonoids from Biotter Orange, Vegan

Show more
8.3

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

Stomach friendly: our buffered vitamin C complex contains two particularly stomach-friendly vitamin C compounds with calcium ascorbate and magnesium ascorbate. Thanks to its combination with a mineral, buffered vitamin C is acid-free and therefore particularly gentle on the stomach and mild. The complex is therefore also suitable for people with sensitive stomach or intestines.
Proven effect – vitamin C for immune system (physical defense), energy metabolism, nervous system and normal mental function. Supports cell protection against oxidative stress and increases iron absorption. For normal collagen formation (blood vessels, bones, cartilage, teeth, gums, skin)
Plus bioflavonoids - natural synergy effect: better vitamin C availability and recycling thanks to bioflavonoids from bitter orange
Made in Germany – our vegan vitamin C buffered capsules with bioflavonoids are carefully manufactured in Germany and thoroughly tested by a certified laboratory for harmful substances such as heavy metals, bacteria, mould and strain caused by ethylene oxide (EtO).
Long-term supply – a glass covers the needs of 4 months based on the recommended daily dose.
High dose – full 1000 mg vitamin C (1250% NRV) per daily serving
Glass instead of plastic - Our high-dose vitamin C capsules are made exclusively in sustainable pharmacist jars with aluminium lids. So you do not only good for your body, but also the environment.
100% true clean label – our vitamin C buffered capsules contain only what we also declare on the product label. So we do not use auxiliaries, fillers or flow agents. No magnesium stearate.

19,95 €