Flavonoids, polyphenolic compounds found in plants, have antioxidant powers that may provide important health benefits. Diets rich in flavonoids have been associated with reduced risk of a variety of diseases.  Check out our Favorite Best Rated Flavonoid Supplements below.

Best Flavonoids Products

#1 Real Supplements Rated Best in 2020
Lipo-Flavonoid Plus Ear Health Supplement | 500 Caplets | #1 ENT Doctor Recommended for Ear Ringing | Most Effective Over the Counter Tinnitus Treatment
  • #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.
#2 Real Supplements Rated Best in 2020
Solgar Citrus Bioflavonoid Complex 1000 mg, 250 Tablets - Antioxidant Support - Promotes Optimal Health - Non-GMO, Vegan, Gluten Free, Dairy Free, Kosher - 250 Servings
  • Supports Optimal Health; Citrus Bioflavonoids comprise a group of water-soluble plant pigments found in foods such as oranges & lemons; This formulation offers natural, citrus bioflavonoids to promote and support optimal health
  • Antioxidant; Citrus bioflavonoids possess antioxidant properties that help fight cell-damaging free radicals in the body
  • Gluten, Wheat & Dairy Free; Solgar Citrus Bioflavonoid Complex is non-GMO, vegan, kosher, and free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, preservatives, and color
  • The Gold Standard: For over 70 years, Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials
Sale#3 Real Supplements Rated Best in 2020
NOW Supplements, Citrus Bioflavonoids 700mg, Supports Immune System*, Cell Defense*, 100 Capsules, 2 pack
  • 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.
#4 Real Supplements Rated Best in 2020
#5 Real Supplements Rated Best in 2020
NOW Supplements, Super Antioxidants with Herbal Extracts and a Broad Spectrum of Flavonoids, 120 Veg Capsules
  • PHYTOFLAVONOID FORMULA: Including green tea extract, milk thistle extract, turmeric root extract, quercetin, bromelain extract, rosemary, grape seed extract, ginkgo biloba extract, ginger root, hawthorn extract, cranberry powder, and bilberry extract.
  • VEGAN, COMPREHENSIVE BLEND: Filled with herbal extracts and helps to maintain optimal health.*
  • CLASSIFICATIONS/CERTIFICATIONS: Vegan/Vegetarian, Quality GMP Assured, Soy Free, Sugar Free, Nut Free, Dairy Free, Egg Free, Corn Free, Low Sodium, Made Without Gluten
  • 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.
#6 Real Supplements Rated Best in 2020
Thorne Research - Vitamin C with Flavonoids - Blend of Vitamin C and Citrus Bioflavonoids from Oranges, The Way They're Found Together in Nature - 180 Capsules
  • Paired In Nature: Citrus bioflavonoids optimize the benefits of vitamin C*
  • No Corn Starch: Not diluted with corn starch, as found in other vitamin C products on the market
  • Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts). This product also contains no soy, dairy, yeast, shellfish, or fish.
  • Thorne products contain ingredients from the purest sources worldwide. Flavors, colors, preservatives, and sweeteners derived from natural sources. Our products never contain gluten, Genetically Modified Organisms (known as GMOs), artificial preservatives, stearates, wheat, rye, barley, eggs, or nuts. This product does not contain soy, dairy, corn, yeast, sugar, or magnesium stearate.
  • Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National Teams, the Mayo Clinic, and families around the world.
#7 Real Supplements Rated Best in 2020
Nutra BioGenesis - Resveratrol Plus Flavonoids - Antioxidant Supplement for Oxidative Stress Support and Healthy Aging - 90 Capsules
  • Resveratrol Plus Flavonoids combines Trans-Resveratrol with enzymes and select botanical extracts to provide nutritive support for cellular and connective tissue health
  • Packed with powerful antioxidants--each serving contains 125 mg Trans-Resveratrol, 190 mg Grape Seed Extract Polyphenols and 50 mg EGCG
  • This powerful formula is designed to help support healthy aging and provide nutritive support for healthy cardiovascular and metabolic function
  • Resveratrol Plus Flavonoids features a unique botanical combination that includes Hawthorne extract, Bilberry extract & Pycnogenol
  • 100% free of magnesium stearate and stearic acid
#8 Real Supplements Rated Best in 2020
I cured my Tinnitus: My Journey from Tinnitus, to Life Transformation, to True Healing
  • Amazon Kindle Edition
  • Studenik, Peter (Author)
  • English (Publication Language)
  • 89 Pages - 10/02/2017 (Publication Date)
#9 Real Supplements Rated Best in 2020
Flavonoids in Health and Disease
  • English (Publication Language)
  • 504 Pages - 12/02/2019 (Publication Date) - CRC Press (Publisher)
#10 Real Supplements Rated Best in 2020
Pure Encapsulations - Acerola/Flavonoid - Vitamin C and Bioflavonoid Hypoallergenic Dietary Supplement - 120 Capsules
  • Antioxidant Support: Acerola/Flavonoid is a vitamin C formula with the additional protective element of bioflavonoids to provide optimal antioxidant support*
  • Vitamin C Source: This vitamin C and bioflavonoid blend contains 32% vitamin C sourced from natural acerola (corn-free), Malpighia glabra extract.
  • Bioflavonoid Formula: This formula includes bioflavonoids hesperidin, naringin and rutin for full-spectrum antioxidant support.*
  • Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
  • Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. All Pure Encapsulations products are FREE FROM many common allergens like wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, unnecessary binders, fillers & preservatives, and more.
#11 Real Supplements Rated Best in 2020
Blueberry Capsules, Whole Fruit Blueberry Concentrate, 6000mg Herbal Equivalent, 200 Capsules, Support Immune System, Rich in Vitamin C, Antioxidant, Flavonoids, Polyphenols and Anthocyanins
  • Blueberry Supplement (Blueberry Extract), 6000mg Herbal Equivalent, 200 Capsules, Non-GMO.
  • Rich in Natural Antioxidant, Best for Eyes, Skin, Joints Health and Immune System.
  • No GMOs. No Soy. No Dairy. No Gluten. No Tree Nuts and No Irradiation.
  • 3rd Party Lab Tested for Purity and Quality.
  • Made in California at Registered Facility.
#12 Real Supplements Rated Best in 2020
Nature’s Life® Bioflavonoids 1000mg | Lemon Bioflavonoid Complex, Hesperidin & Rutin | Antioxidant for Healthy Capillaries & Vit C Absorption | 250 Ct
  • Tri-Complex: One tablet contains 1000 mg Lemon bioflavonoid complex, 100mg hesperidin, 100mg rutin
  • Antioxidant: Scavenges free radicals and may help protect cells
  • More Benefits: Helps support Vitamin C absorption & blood flow
  • Mega Supply: Packed with value, one bottle contains 250 vegetarian capsules
  • Customers Say: “Yes, it definitely does help...!”
#13 Real Supplements Rated Best in 2020
Nature’s Life Lemon Bioflavonoids 1000 | Flavonoid Antioxidant Complex with Hesperidin and Rutin | 100 Tabs, 100 Serv
  • Tri-Complex: One tablet contains 1000 milligrams lemon bioflavonoid and 100 ea. hesperidin and rutin
  • Antioxidant Support: Powerful free radical scavengers may help protect cells
  • More Bioflavonoid Benefits: Helps support vitamin C absorption and healthy blood flow
  • Quality You Can Trust: Once daily vegetarian tablets; lab verified for purity, potency and identity
  • Customers Say: “This supplement is the real deal… not a cheap imitation!”
#14 Real Supplements Rated Best in 2020
Zhou Nutrition Elder-Mune Sambucus Elderberry Gummies - Antioxidant Flavonoids, Immune Support Gummy Vitamins, Zinc Supplement & Vitamin C Supplement
  • 3-In-1 immune boost. Elder-mune combines Sambucus elderberry, a potent antioxidant extract that helps support immune system health, with immunity boosters Vitamin C and zinc to create your go-to, 3-in-1 immunity boosting elderberry gummies.
  • Antioxidant powerhouse. Antioxidants are your wellness BFFs, working to fight off free radicals and keep your body healthy, balanced, and functioning properly. Elderberry is world famous for its antioxidant power, supporting your immune system year-round.
  • Elderberry power. Elder-mune gummies give you what other elderberry gummies can’t—one of the highest potencies of lab-tested Sambucus elderberry extract on the market, with 125mg per serving and a natural flavor that tastes great.
  • Immune support for the entire family. Your whole crew will love taking elder-mune. With critical immune boosters elderberry, Vitamin C, and zinc, a delicious flavor, and powerful immune support for kids, your entire family will keep coming back for more.
#15 Real Supplements Rated Best in 2020
Swanson Full Spectrum Citrus Bioflavonoid Complex 250 Caps
  • Swanson Premium
  • Swanson Full Spectrum Citrus Bioflavonoid Complex 250 Caps
  • Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.
#16 Real Supplements Rated Best in 2020
Sale#17 Real Supplements Rated Best in 2020
Nature's Answer Bio-Flavonoids and Rose Hips with Organic Alcohol, 8-Fluid Ounces | Support a Healthy Immune System | Packed with Antioxidants | Daily immune Support | Great Tasting
  • Nature's Answer Bioflavonoids and Rose Hips with Organic Alcohol, 8 Fluid Ounces provides 15,000 mg total Herbal Equivalent per serving. Supports a Healthy Immune System, Packed with Antioxidants.
#18 Real Supplements Rated Best in 2020
Acai Berry Colada
  • Amazon Prime Video (Video on Demand)
  • English (Playback Language)
  • English (Subtitle)
#20 Real Supplements Rated Best in 2020
VitaCell+ Immune Support - Suppress Cytokine Storms and Stay Healthy with Longvida Optimized Curcumin and Other Clinically Tested Ingredients
  • BALANCED CYTOKINE RESPONSE: Think of cytokines as the body’s security patrol. Cytokines and immune cells fight with the “invaders” that try to get into your body. But if the cytokine patrol gets out of control, it can lead to a “cytokine storm” that may damage some of your internal organs. Vitacell+ with its seven powerful flavonoids helps support a balanced Cytokine response and thus support a healthy immune system.
  • POWERFUL SUPPORT FOR YOUR IMMUNE SYSTEM: Studies have shown that Tart Cherry extract, Resveratrol and Quercetin, three of the main constituents in Vitacell+ can help support a healthy cytokine response in our body and brain. Longvida Curcumin supports memory, attention, and energy.
  • SEVEN POWERFUL FLAVONOIDS BASED ON CLINICALLY VALIDATED STUDIES & REAL-WORLD RESULTS: Every ingredient in VitaCell+ was carefully selected, based on both clinically validated studies, and real-world results. The full list of Flavonoids includes Longvida optimized Curcumin, CherryPure tart cherry extract, Boswellia Serrata extract, pure Quercetin, Resveratrol, EGCG green tea extract, & Cocoa extract.
  • DR. FORMULATED: Designed by Dr. Sisskind doctor, the VitaCell+ formula with Liposomal optimized Curcumin and 6 other flavonoids, came together over many years of clinical research and experimentation.
  • LIFETIME GUARANTEE: Vitalifi offers an unconditional, lifetime guarantee on VitaCell+ purchases. If you’re not happy with your Vitacell+ Longvida optimized liposomal Curcumin capsules, simply write to us. We have an incredible team of Customer Happiness agents, based in the United States, who are standing by and ready to assist.

Top 10 Benefits of Flavonoids

Flavonoids are a diverse group of phytonutrients found in almost all fruits and vegetables that are beneficial to your heart health. Flavonoids are the largest group of phytonutrients, with more than 6,000 types. They are potent disease fighters. Flavonoids act as a shield in plants to protect against toxins and to help repair the damage. It is assumed that when one eats flavonoids, they act quite similarly within one’s body. As antioxidants, they help prevent damage from free radicals that can build up during normal body processes. When flavonoids prevent free radicals from building up, as a result, cholesterol decreases. Flavonoid also helps to prevent clotting of the blood, lowers blood pressure, and lowers cholesterol, decreases inflammation and help with insulin sensitivity. Some of its health benefits are as follows:

1.Reduces the risk of cancer

Flavonoids have antioxidant properties thus including flavonoids in your daily diet can thwart the risk of cancer and other degenerate diseases.

2. Prevents clotting of blood

Red wine is good for you. Here’s how! Red wine is rich in the flavonoid phenolics which prevents atherosclerosis, or plaque formation within the walls of the arteries.

3. Prevents chronic ailments

Flavonoids have anti-inflammatory, anti-allergic, and anti-viral properties. Consuming tea, onions, and soy, etc can keep chronic ailments like arthritis, osteoporosis, and diabetes at bay.

4. Fights various viruses

Due to its anti-allergic and anti-viral properties, flavonoids are considered essential remedies to fight against diseases caused by viruses like herpes virus, parainfluenza virus, and adenovirus etc.

5. Combats gastric woes

Flavonoids also have anti-ulcer and antidiarrheal properties have that helps the body to combat against all kinds of gastrointestinal woes.

6. Protects the stomach

The several foods that flavonoids can be found in apples, onions, garlic, and cranberry juice. Flavonoids help to protect the inner lining and coating of the stomach by preventing the growth of Helicobacter pylori.

7. Glowing skin

Have you ever wondered what makes cherries red and blueberries so very blue? The reason behind the coloration of fruits is flavonoids thus, eating a balanced diet with flavonoids in it gives you healthy, and glowing skin.

8. Improves Cardiovascular functions

Several flavonoids, including quercetin as well as rutin, have been known to help prevent the excessive clumping of platelet cells together that could eventually lead to clogging of the blood vessels. This is the way in which flavonoids help to support the cardiovascular system.

9. Supports the nervous system

Research shows that Flavonoids give protection to the nerve cells from oxygen-based damage. They also help during the demanding process of nerve regeneration. These are the benefits of flavonoid intake for the nervous system. There is some evidence that shows that the onset of certain diseases including age-related diseases and Alzheimer may be delayed when one consumed large amounts of flavonoids in their diet.

10.Better regulation of cell cycles

Most cells in our body go through different stages of activities. For the health of our body systems, flavonoids make sure that these cell cycle stages stay in balance.


Real Supplements gives you the best Flavonoids on the market today. Our top-rated lists are fresh and current so you get the best options.

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