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The 8 Best flavonoids of 2025

Are you trying to find flavonoids among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling flavonoids on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 30 hours of research and did 28 flavonoids tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best flavonoids you can buy today

No. 1
Flavonoids for 60 days Helps to Support Healthy Circulation, Veins, Capillaries, and Lymphatic Drainage- Micronized Diosmin 150mg + Hesperidin 150mg + Horse Chestnut150 mg- GMP Certificate, vegan
  • Flavonoids- unique dietary supplement micronized Diosmin 150 mg, Hesperidin 150 mg, Horse Chestnut 150 mg- 60 days. Helps to Support Healthy Circulation, Veins, Capillaries and Lymphatic Drainage
  • Diosmin is a flavonoid found in citrus fruits. Flavonoids made from natural plant compounds that protect your body from free radicals and other unstable molecules.
  • Hesperidin is a flavanone glycoside found in citrus fruits. Its aglycone form is called hesperetin. Its name is derived from the word "hesperidium", for fruit produced by citrus trees.
  • Horse chestnut extract has powerful antiphlogistic properties
  • Flavonoids- we develop and produce in Poland, according to the HACCP, GMP and ISO 9001 quality standards. Our products are vegan certified, gluten and lactose-free.
SaleNo. 2
Lipo-Flavonoid Plus Tinnitus Relief for Ringing Ears – Supplement with Vitamin C & B Complex – Clinically Proven for Tinnitus & Meniere’s Syndrome Relief, (100 Caplets)
  • #1 DOCTOR RECOMMENDED: considered by ENTs to be the most effective over-the-counter solution to reduce ear ringing.
  • NATURAL LEMON BIOFLAVONOID COMPLEX: contains Vitamins C, B1, B2, B6, B12, Calcium, Choline Bitartrate, Inositol, Niacin and Pantothenic Acid to provide nutritional support for the inner ear for people with tinnitus and Meniere's syndrome.
  • CLINICALLY STUDIED: therapeutic benefit has been widely recognized in over 50 years of use and observation for the treatment of tinnitus.
  • RECOMMENDED REGIMEN: take 2 caplets 3 times a day (6 caplets total each day) for at least 60 days.
  • MONEY BACK GUARANTEE: if you don’t find relief from ringing in the ears with use as directed for 60 days, we will refund your purchase. Must have receipt or proof of purchase to qualify.
No. 3
Horbäach Citrus Bioflavonoids Supplement | 1500mg | 300 Caplets | Vegetarian, Non-GMO, and Gluten Free Formula | Value Size
  • CITRUS BIOFLAVONOIDS: Strong source of antioxidants discovered in nature from citrus fruits
  • COMPLEX FORMULA: Delivers a powerful 1,500 mg bioflavonoid complex per serving in coated caplets
  • EXPERTLY CRAFTED: Our premium formula is backed by our commitment to purity and potency
  • HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • VEGETARIAN FORMULA: Naturally free of Gluten, Wheat, Artificial Flavor, Preservatives & Non-GMO
No. 4
Lipo-Flavonoid Balance Support, Helps Reduce The Risk of Vertigo Like Symptoms, Dizziness, Spinning and Swaying Related to Poor Inner Ear Health (30ct)
  • BALANCE SUPPORT FORMULA: Innovative new Lipo Flavonoid Balance Support formula with ingredients clinically shown to reduce the risk of Vertigo like symptoms; dizziness, spinning, and swaying related to inner ear health.
  • CLINICALLY TESTED INGREDIENTS: Formulated with a unique blend of vitamins & minerals, including Ginkgo Biloba, that have been clinically shown to promote ear health and reduce the risk of dizziness, spinning, and swaying. Clinically studied in people with Benign Paroxysmal Positional Vertigo or BBPV.
  • DOCTOR RECOMMENDED BRAND: Developed by the #1 ENT Doctor Recommended Brand for Ear Ringing, Lipo Flavonoid is the leading tinnitus supplement brand with 60 years of clinical experience in ear health supplements.
  • SCIENTIFICALLY FORMULATED: Powered by a premium blend of Ginkgo Biloba, Vitamin D, Bioflavonoids, and robust B Vitamin Complex to improve blood flow throughout the inner ear, support nutrient absorption and promote healthy inner ear functioning.
  • SAFE & EFFECTIVE: Inner ear health and balance support formulated in an easy to swallow once daily caplet guaranteed to be gluten free, dairy free, with no artificial colors.
No. 5
THORNE Vitamin C - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Support Immune System, Production of Cellular Energy, Collagen Production and Healthy Tissue* - Gluten-Free - 90 Capsules
  • Immune Support: Get the immune-supporting and antioxidant benefits of vitamin C combined with natural citrus flavonoids*
  • Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health*
  • Nutritional Support: Helps promote cellular repair and collagen formation, providing post-injury and post-surgery nutritional support*
  • 3rd Party Contents Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label
  • Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners
SaleNo. 6
NOW Supplements, Citrus Bioflavonoids 700mg, Supports Immune System*, Cell Defense*, 100 Capsules
  • SUPPORTS IMMUNE SYSTEM*: Among the many attributes of bioflavonoids is their ability to support a healthy immune system response and to promote the maintenance of a healthy vascular system*
  • WITH ASCORBIC ACID AND RUTIN: This product is enhanced with vitamin C for its synergistic effect*
  • CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher Contains Gelatin, Soy Free
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
  • Packaged in the USA by a family owned and operated company since 1968
SaleNo. 7
Lipo-Flavonoid Plus Tinnitus Relief – Doctor-Recommended for Ringing Ears – Clinically Proven Lemon Bioflavonoid Complex with Vitamins C, B1, B2, B6, B12 & Calcium, (500 Caplets)
  • DOCTOR RECOMMENDED: considered by ENTs to be the most effective over-the-counter solution to reduce ear ringing.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • NATURAL LEMON BIOFLAVONOID COMPLEX: contains Vitamins C, B1, B2, B6, B12, Calcium, Choline Bitartrate, Inositol, Niacin and Pantothenic Acid to provide nutritional support for the inner ear for people with tinnitus and Meniere's syndrome.
  • CLINICALLY STUDIED: therapeutic benefit has been widely recognized in over 50 years of use and observation for the treatment of tinnitus.
  • RECOMMENDED REGIMEN: take 2 caplets 3 times a day (6 caplets total each day) for at least 60 days.
  • MONEY BACK GUARANTEE: if you don’t find relief from ringing in the ears with use as directed for 60 days, we will refund your purchase. Must have receipt or proof of purchase to qualify.
No. 8
Now Foods Citrus Bioflavonoid, 100 Count (Pack of 1)
  • Citrus Bioflavonoids are powerful polyphenolic compounds found in lemons, limes, oranges, grapefruits, and tangerines
  • NOW Foods
  • With ascorbic acid and Rutin
  • Supports the immune system
No. 9
Horbäach Lemon Bioflavonoids Complex 1400 mg | 200 Capsules | with Rutin and Hesperidin | Non-GMO, Gluten Free Supplement
  • BIOFLAVONOIDS COMPLEX: We've combined phenolic compounds from Lemon, Hesperidin and Rutin
  • OPTIMAL FORM: Get triple action support with convenient, quick-release capsules!
  • EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency
  • HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, Artificial Flavor & Artificial Sweetener
SaleNo. 10
Garden of Life - Vitamin Code Raw VitaminC - 120 Vegan Capsules, 500mg Whole Food VitaminC with Bioflavonoids, Fruits & Veggies, Probiotics, Gluten Free Vitamin-C Supplements for Adults
  • VITAMIN C 500mg FOR ADULTS: Essential for growth and tissue repair, Vitamin C promotes vision health, periodontal health and collagen, bone and cartilage formation; Raw Vitamin C provides 500mg of Vitamin C along with naturally occurring bioflavonoids
  • IMMUNE SYSTEM & HEART HEALTH: RAW whole food vitamin C provides support for immune system health, healthy heart, healthy skin and eyes; 23 powdered and organically grown fruits and vegetables add supporting antioxidants, vitamins and nutrient cofactors
  • PROBIOTICS AND ENZYMES: Our plant based C vitamin formula includes a RAW Probiotic and Enzyme blend of live probiotics – L. bulgaricus and L. plantarum – and enzymes such as Lipase, Protease and Bromelain, to support healthy digestion
  • VEGAN VITAMIN C: Our whole food vegan C vitamin is RAW, Dairy Free, and Third-Party Certified Non-GMO Project Verified, NSF Gluten Free, Vegan and Kosher
  • SAY YES TO CLEAN SUPPLEMENTS: Our whole food vegan vitamin C is Third-Party Certified Non GMO, Gluten Free, Vegan & Kosher, and RAW—no high heat, synthetic binders, fillers, artificial flavors, sweeteners, colors or additives commonly used in tablets
No. 11
Black Forest High Flavanol Cocoa Powder (1200mg Cocoa Flavanols & Flavonoids Supplements) 10X More Flavanols (Epicatechin) Than Cocoa & 600mg of Epicatechin Supplement for Heart Health, Nitric Oxide & Energy
  • 1200MG PER SERVING – Our Cocoa delivers a whooping 600 mg of flavanols and 600mg of flavonoids per scoop, 10X more flavanols (epicatechin) than standard cocoa powder. Sourced from high-flavanol cocoa and minimally processed to maximize muscle, heart, and performance benefits.
  • ENRICHED WITH HEART-PROTECTING FLAVONOIDS: Not only do we have 600 mg of flavanols but we also enhanced our cocoa with 600mg of flavonoids cocoa per serving. This creates a unique & synergistic solution to enhance heart health by improving blood flow, reducing blood pressure, and combating oxidative stress and inflammation.
  • SUPPORTS HEART & CARDIO HEALTH: Our product Leverages the synergistic effects of cocoa flavonoids and flavanols to offer comprehensive solution for cardiovascular health. Flavanols boost blood flow, enhancing oxygen and nutrient delivery body-wide while Flavonoids offer antioxidant and anti-inflammatory protection, preventing cell damage.
  • EPICATECHIN NITRIC OXIDE POWER: Boosted with 600mg of epicatechin, our high flavonoid dark chocolate supplement supports nitric oxide levels, promoting blood flow and nutrient delivery from head to toe.
  • USA PROUD AND VEGAN SAFE: Black Forest’s Cocoa Flavanols supplement is manufactured in a GMP Approved Facility and tested for safety and heavy metals right here in the USA, Non-GMO, Gluten Free, and Vegan Safe.
SaleNo. 12
Lipo Flavonoid Day & Night Combo Kit, Tinnitus Relief for Ringing Ears, Lipo Flavonoid Plus & Lipo Flavonoid Night with Melatonin & Vitamin C, 90 Caplets
  • CONVENIENT DAY/NIGHT KIT: contains 60 caplets of Lipo-Flavonoid Plus for your morning and midday doses and 30 caplets of Lipo-Flavonoid Night, with added melatonin, for your evening dose to help in falling and staying asleep.
  • #1 DOCTOR RECOMMENDED: Lipo-Flavonoid Plus is considered by ENTs to be the most effective over-the-counter solution to reduce ear ringing.
  • NATURAL BIOFLAVONOID: provides nutritional support for the inner ear for people with tinnitus and helps them add melatonin to daily self-care.
  • CLINICALLY STUDIED: long standing clinical research combined with studies on the benefits of melatonin for tinnitus clearly outline the benefits of Lipo-Flavonoid products.
  • MONEY BACK GUARANTEE: if you don’t find relief from ringing in the ears with use as directed for 60 days, we will refund your purchase. Must have receipt or proof of purchase to qualify.
No. 13
CocoaVia Cardio Health Supplement, 30 Day, 500mg Cocoa Flavanols, Support Heart Health, Boost Nitric Oxide, Blood Circulation, Energy, Vegan, Dark Chocolate, 60 Capsules
  • CLINICALLY PROVEN RESULTS - Backed by more than 20 years of Scientific Research, 30 plus Clinical Studies, and 150 Published Scientific Papers. Cocoa Flavanols are one of the most researched plant-based nutrients.
  • PROMOTES A STRONG HEART & CARDIOVASCULAR HEALTH - Helps improve vascular elasticity and arterial function, and blood flow.
  • NITRIC OXIDE SUPPLY BOOSTER - Cocoa flavanols increase nitric oxide output, a super molecule that enhances circulation by making arteries more flexible. This results in a boost of oxygen supply through heart, muscles and brain.
  • POWER UP YOUR WORKOUTS with circulation boosting bioactives. Like a natural pre workout, these cocoa based bioactives help boost nitric oxide supply for better blood flow and nutrient delivery to the muscles when they need it most.
  • MOST CONCENTRATED COCOA FLAVANOL PRODUCT* – Tested & Verified by Consumer Labs. Each serving contains 500 mg of Cocoa Flavanols. It also delivers 30 mg of naturally occurring caffeine. Cocoa Flavanols work best when taken daily. *Among 46 Cocoa Products.
SaleNo. 14
KAL Bioflavonoid 1000mg | 100ct
  • Helping your family live a vibrant life with the best vitamins, minerals and supplements
  • We ?rigorously test our products and provide? forms and flavors to meet the specific needs of ?everyone?
  • Our goal is to help as many people as possible live healthier lives with supplements that are accessible and effective
SaleNo. 15
Lipo-Flavonoid Nighttime PM for Tinnitus Relief – Sleep Aid with Melatonin, Bioflavonoids & Vitamin C – Ringing in The Ears, Ear Health & Relaxation – Use with Lipo-Flavonoid Plus, (75 Caplets)
  • USE WITH LIPO-FLAVONOID PLUS: replace your evening dose of Lipo-Flavonoid Plus with Lipo-Flavonoid Night.
  • SLEEP WITH TINNITUS: Lipo-Flavonoid Night contains the same #1 doctor-recommended ingredients as Lipo-Flavonoid Plus with the addition of immediate and time-release melatonin to help in falling and staying asleep despite ear ringing.
  • NATURAL BIOFLAVONOID: provides nutritional support for the inner ear for people with tinnitus and helps them add melatonin to daily self-care.
  • CLINICALLY STUDIED: long standing clinical research combined with studies on the benefits of melatonin for tinnitus clearly outline the benefits of Lipo-Flavonoid Night.
  • MONEY BACK GUARANTEE: if you don’t find relief from ringing in the ears with use as directed for 60 days, we will refund your purchase. Must have receipt or proof of purchase to qualify.
SaleNo. 16
Nature's Life Lemon Bioflavonoids 1000mg - Citrus Bioflavonoids Supplement with Hesperidin and Rutin - Antioxidant and Cellular Support, Vitamin C Absorption - 60 Day Guarantee, 100 Serv, 100 Tablets
  • Tri-Complex – A hardworking antioxidants supplement, Nature's Life Lemon Bioflavonoids provide 1000mg of citrus bioflavonoids and 100mg each of Hesperidin and Rutin – the perfect trifecta for antioxidant support.
  • Flavonoids to the Rescue – Polyphenols naturally found in lemons and other citrus fruits, bioflavonoids support cellular health by helping to neutralize free radicals and may help the body absorb and utilize all-important Vitamin C.
  • GMP Certified – GMP stands for Good Manufacturing Practice, and it ensures that all the products we make – including our bioflavonoids supplements – follow stringent quality standards. We even document each step of the manufacturing process.
  • Our Policy is Quality – All supplements are not created equal and “less than” will not stand at Nature’s Life. We craft and source our products with exceptional care, turn away 90% of new raw ingredients and triple-test every product to ensure quality equality to all.
  • Love Your Mother Earth – Our products help fill nutritional gaps without taking away from the earth – and we put our money where our mouth is. We’re members of 1% for the Planet, meaning that we donate 1% of our annual sales to go towards environmental causes.
SaleNo. 17
Lipo-Flavonoid Dietary Supplement Caplets for Ear Ringing - 100 Count
  • Trusted, Science-Backed Supplement Recommended by ENT Doctors
  • Proprietary Tisina Complex Clinically Shown to Reduce Ear Ringing
  • Over 60 Years of Clinical Use Supporting Tinnitus Relief
  • Contains a Blend of Vitamins C, B1, B2, B6, B12, and Niacin for Ear Health
  • Recommended Dosage: Six Caplets Daily for 60 Days, Then Three Caplets for Maintenance
No. 18
Citrus Bioflavonoid Complex Supplement 1000mg – Antioxidant & Wellness Gummies with Plant-Based Bio-Flavonoids – Sugar-Free, Chewable Formula, Non-GMO, Gluten-Free, Soy-Free – 60 Vegan Chews
  • ANTIOXIDANT BENEFITS – Citrus bioflavonoids are plant-derived compounds with valuable antioxidant properties. They provide natural support for overall wellness and a balanced lifestyle. Perfect for those with active routines
  • ENERGY & VITALITY – Citrus bioflavonoids help support daily energy levels and overall vitality. They work to maintain balance and keep you feeling your best throughout the day. A great addition to your daily wellness routine
  • FLAVONOID COMPLEX – Antioxidant & Wellness Support – This citrus blend delivers plant compounds with antioxidant properties. Bioflavonoids help maintain overall balance and well-being, making them a great addition to your daily regimen
  • SUPPORTS DAILY WELLNESS – Citrus bioflavonoids are a great addition to your daily routine, offering antioxidant support and helping maintain overall balance. A convenient, plant-based option for supporting your vitality and well-being
  • EASY-TO-USE VEGAN GUMMIES – Convenient and tasty, these chewable citrus bioflavonoid gummies provide 1000mg per serving, fitting seamlessly into your daily routine. A plant-based, non-GMO solution that fits into your vibrant and active lifestyle
No. 19
NOW Foods Supplements, Vitamin C-1,000 with 100 mg of Bioflavonoids, Antioxidant protection*, 100 Veg Capsules
  • Immune System Support
  • Antioxidant and Collagen Support
  • With 100 mg of Bioflavonoids
  • Non-GMO
  • A Dietary Supplement
  • English (Publication Language)
No. 20
Pure Encapsulations Ester-C & Flavonoids - Vitamin C Supplement for Antioxidants - Immune & Vascular Support* with Calcium & Rutin - Gentle on Digestion - Vegan & Non-GMO - 180 Capsules
  • Ester-C Absorption: Ester-C & Flavonoids is a form of vitamin C providing superior absorption and retention for immune support, making it a potent antioxidants supplement*
  • Antioxidants: Bioflavonoids quercetin and rutin, as part of our antioxidants supplement, helps to support your immune system and antioxidant defenses*
  • Immune Support: Ester C supports a healthy immune system and cell function, an essential part of your immune and antioxidants supplement routine*
  • Suggested Use: As a dietary supplement, take 1 Ester C immunity capsule, 1-2 times daily, with or between meals
  • Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

How to choose a good flavonoids

Does the idea of finding a fantastic flavonoids make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in flavonoids. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top flavonoids products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top flavonoids on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top flavonoids brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top flavonoids based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the flavonoids were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good flavonoids, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your flavonoids.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting flavonoids for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our flavonoids. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what flavonoids should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on flavonoids.