Best Flavonoid Supplement Capsules of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 3, 2025

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Flavonoid supplement capsules are a natural dietary supplement that contains flavonoids, which are plant-based compounds known for their antioxidant properties. These capsules are designed to support overall health and well-being by promoting cardiovascular health, reducing inflammation, and supporting healthy aging. Flavonoid supplement capsules are typically made from a variety of plant sources, such as citrus fruits, berries, and green tea. They are available in various strengths and formulations to suit different needs and preferences. Flavonoid supplement capsules are considered safe and effective when taken as directed. However, it is always advisable to consult a healthcare professional before starting any new dietary supplement.

At a Glance: Our Top Picks

Horbaach Lemon Bioflavonoids Complex 1400mg Cover #TOP 1
Horbaach Lemon Bioflavonoids Complex 1400mg
ftb score rating icon 9.8
DEAL SUPPLEMENT Quercetin Capsules Cover #TOP 2
DEAL SUPPLEMENT Quercetin Capsules
ftb score rating icon 9.7
aSquared Nutrition Quercetin 500mg Supplement - 200 Capsules Cover #TOP 3
aSquared Nutrition Quercetin 500mg Supplement - 200 Capsules
ftb score rating icon 9.5

Top 10 Flavonoid Supplement Capsules

Horbaach Lemon Bioflavonoids Complex 1400mg

CL16062
Horbaach Lemon Bioflavonoids Complex 1400mg Cover
Horbäach Lemon Bioflavonoids Complex 1400 mg | 200 Capsules | with Rutin and Hesperidin | Non-GMO, Gluten Free Supplement

Horbaach Lemon Bioflavonoids Complex 1400mg is a flavonoid vitamin supplement that combines phenolic compounds from lemon, hesperidin, and rutin. This expertly crafted formula is designed to provide triple action support with convenient, quick-release capsules. It is naturally free of gluten, wheat, yeast, milk, lactose, artificial flavor, and artificial sweetener. Horbaach is a trusted brand that manufactures laboratory tested, superior quality supplements that are 100% guaranteed.

What We Like
Combines phenolic compounds from lemon, hesperidin, and rutin
Provides triple action support with convenient, quick-release capsules
Naturally free of gluten, wheat, yeast, milk, lactose, artificial flavor, and artificial sweetener

DEAL SUPPLEMENT Quercetin Capsules

quercetin
DEAL SUPPLEMENT Quercetin Capsules Cover
DEAL SUPPLEMENT Quercetin 1,000mg Per Serving, 300 Capsules – Healthy Immune Support Supplements, High Bioavailable Flavonoids, Natural Antioxidant – Non-GMO, Soy Free, No Gluten

DEAL Quercetin Capsules are a natural plant-derived supplement that can provide year-round protection for your body. With a maximum strength of 1000mg per serving, these capsules are made with the most efficiently absorbed dihydrate form. This form retains activated flavonoid properties for advanced support and is derived from an authentic sophora japonica source. Taking quercetin will add natural phytonutrient properties that offer powerful antioxidant benefits. With only 2 capsules per serving, you can receive 1,000mg of top-grade quercetin. Every bottle contains over a 2-month supply and offers 150 total capsules. This product is non-GMO, gluten-free, and has been third-party lab tested to ensure quality. DEAL Quercetin Capsules are perfect for those looking for a potent allergy pill or to support a healthy immune system.

What We Like
High bioavailability
Powerful antioxidant benefits
Large quantity
#TOP 3

aSquared Nutrition Quercetin 500mg Supplement - 200 Capsules

quercetin_200ct_asquared
aSquared Nutrition Quercetin 500mg Supplement - 200 Capsules Cover
aSquared Nutrition Quercetin 500mg Supplement - 200 Capsules - Quercetin Dihydrate to Support Cardiovascular Health - Max Strength Powder Complex Pills to Help Improve Immune Response

aSquared Quercetin Supplement is a maximum strength formula that contains 500mg of Quercetin powder per capsule and 200 vegetable capsules per bottle for a full 200-day supply. Quercetin is a powerful antioxidant and free radical scavenger that helps protect the body from cell membrane damage & DNA alterations. Quercetin supplementation may support immune and skin health, and cardiovascular health. Additionally, Quercetin helps fight allergies, supports circulation, supports mood & energy levels, and may help protect your kidneys, brain & liver. This vegan formula does NOT contain preservatives, soy, gluten, dairy or extraneous fillers. Made in the USA, in a GMP compliant facility, our products undergo rigorous testing to ensure quality & purity.

What We Like
Maximum strength formula
Powerful antioxidant
Supports immune & cardiovascular health

Supersmart FlavoLife

0793
Supersmart FlavoLife Cover
Supersmart - FlavoLife (Flavonoid Complex Supplement) - with Luteolin, Myricetin, Fisetin, Rutin, Quercetin, EGCG, Apigenin, Hesperidin | Non-GMO & Gluten Free - 60 Vegetarian Capsules

Supersmart Flavonoid Complex is a non-GMO and gluten-free supplement that contains 9 synergistic forms of bioflavonoids, including luteolin, myricetin, fisetin, rutin, quercetin, EGCG, apigenin, hesperidin, and proanthocyanidins. This potent antioxidant supplement supports brain health, immune system functions, and protects blood vessels and circulation. With optimal health support, Supersmart Flavonoid Complex is ideal for anyone looking for a high-quality supplement. Plus, it's vegetarian-friendly and easy to use with just 2 capsules a day at mealtimes. With Supersmart's 100% satisfaction guarantee, you can trust that you're getting an outstanding supplement.

What We Like
Potent antioxidant
Non-GMO and gluten-free
Vegetarian-friendly
#TOP 5

Carlyle Quercetin 500mg with Zinc

CL19242
Carlyle Quercetin 500mg with Zinc Cover
Carlyle Quercetin 500mg Capsules | with 50mg Zinc | 100 Count | Non-GMO and Gluten Free Supplement

Carlyle Quercetin Capsules offer a powerful blend of 500 mg of Quercetin and 50 mg of Zinc in a vegetarian formula. Quercetin, a natural flavonoid found in many fruits and vegetables, supports your immune health and overall wellness. The inclusion of Zinc enhances its benefits, providing essential nutrients for your body. These capsules are designed for those seeking a convenient and effective supplement, making it easier for you to incorporate into your daily routine. Plus, Carlyle guarantees superior quality and trusted ingredients, ensuring you receive a premium product that aligns with your health goals.

What We Like
Vegetarian-friendly formula
Supports immune health
High-quality ingredients
Convenient capsule form
#TOP 6

Nature's Life Bioflavonoids 1000mg Capsules

7477948
Nature's Life Bioflavonoids 1000mg Capsules Cover
Nature's Life Bioflavonoids 1000mg per Serving | 250 Capsules | More Than 4 Months Supply | Lemon Bioflavonoid Complex, Hesperidin & Rutin | Antioxidant for Healthy Capillaries & VIT C Absorption

Nature's Life Bioflavonoids are a Vitamin C supplement that comes with 250 capsules per bottle. Each tablet contains 1000mg Lemon bioflavonoid complex, 100mg hesperidin, and 100mg rutin. It is an antioxidant that helps to protect cells from free radicals and supports Vitamin C absorption and blood flow.

What We Like
Contains 250 capsules per bottle, providing more than four months of supply
Helps support Vitamin C absorption and blood flow
Acts as an antioxidant to protect cells from free radicals
#TOP 7

Naturebell Quercetin 1000mg | 240 Capsules

QU300C
Naturebell Quercetin 1000mg | 240 Capsules Cover
NatureBell Quercetin 1000mg Per Serving | 240 Capsules, Ultra Strength Quercetin Supplement | Bioflavonoids for Healthy Immune Support, Third Party Tested, Non-GMO & No Gluten

Naturebell Quercetin 1000mg is a powerful and natural antioxidant nutritional supplement that offers daily immune system health support. It contains activated quercetin that retains a 95% purity level with every serving, and is in the highest bioavailable form known as quercetin dihydrate. It is a natural herbal ingredient that is necessary for both mens and womens health, and provides important active properties like flavonoids to help support immune defense, heart health, sugar glucose maintenance, and overall longevity. Customers have reported positive results in preventing the common cold and flu, and have found relief from congestion, sore throat, cough, body ache, and fatigue.

What We Like
High concentrated super quercetin 500mg per capsule, 1000mg per serving
Only takes 2 capsules per serving
Authentic non-GMO quercetin dihydrate powder capsules
Free of gluten, wheat, soy, dairy, eggs, fish/shellfish, and tree nuts
Positive customer reviews

Klaire Labs Bioflavonoid Complex Supplement

CP1480
Klaire Labs Bioflavonoid Complex Supplement Cover
Klaire Labs Bioflavonoid Complex - Immune, Cardiovascular & Antioxidant Support Supplement with Citrus Bioflavonoids, Quercetin & Rutin (120 Capsules)

Klaire Labs Bioflavonoid Complex is a flavonoid vitamin supplement that supports immune, cardiovascular and antioxidant health. The supplement contains a balanced mix of bioflavonoids, including rutin and quercetin, designed to maintain healthy blood vessels. It is free from common allergens and artificial ingredients. Developed with physicians, this supplement is intended to be used as directed by a healthcare practitioner.

What We Like
Supports immune, cardiovascular and antioxidant health
Contains a balanced mix of bioflavonoids, including rutin and quercetin, for healthy blood vessels
Free from common allergens and artificial ingredients
#TOP 9

Metagenics Quercetin 500 Supplement

Q50060
Metagenics Quercetin 500 Supplement Cover
Metagenics Quercetin 500 - Antioxidant & Flavonoid Supplement - Heart Health Supplement* - Immune Support* - Non-GMO & Vegetarian - 60 Capsules

Metagenics Quercetin 500 is a powerful supplement that provides 500 mg of quercetin per serving, which may enhance your heart health and support overall antioxidant levels. By incorporating this supplement into your daily routine, you can promote a healthy immune response, helping your body fend off illnesses. Additionally, it may assist in maintaining normal blood pressure levels, contributing to your cardiovascular wellness. With its non-GMO, gluten-free, and vegetarian formulation, this product is designed to fit seamlessly into your lifestyle while supporting your health goals.

What We Like
High quercetin dosage
Supports immune function
Promotes heart health
Non-GMO and vegetarian
#TOP 10

Elikadur 1500 MG Tinnitus Supplement

Elikadur
60 Count(Pack of 1)
Elikadur 1500 MG Tinnitus Supplement Cover
1500 MG Tinnitus for Ringing Ears Supplement, Natural Herbal Blend & Bioflavonoids, Tinnitus Supplements for Ear Ringing, Tinnitus for Women & Men Over 50, 60 Capsules

The Elikadur Tinnitus Support offers a powerful 1500 MG dose per serving, designed to help you manage the discomfort of ringing ears. This comprehensive herbal blend provides gentle care, promoting a natural balance in your auditory health. With the addition of a bioflavonoid complex, it delivers antioxidant benefits that support ear wellness. Furthermore, it includes essential vitamins and minerals like Vitamins C, B1, B2, B6, B12, Niacin, Pantothenic Acid, and Zinc, which may enhance your overall auditory experience. This supplement is crafted to help you find relief and embrace a more peaceful auditory world.

What We Like
High potency dosage
Natural herbal ingredients
Antioxidant support
Rich in essential vitamins
Buying Guide Image
Editor's Notes

During our flavonoid supplement capsule research, we found 24 flavonoid supplement capsule products and shortlisted 10 quality products. We collected and analyzed 66,586 customer reviews through our big data system to write the flavonoid supplement capsules list. We found that most customers choose flavonoid supplement capsules with an average price of $21.65.

The flavonoid supplement capsules are available for purchase. We have researched hundreds of brands and picked the top brands of flavonoid supplement capsules, including DEAL SUPPLEMENT, aSquared Nutrition, Supersmart, Carlyle, Nature's Life. The seller of top 1 product has received honest feedback from 42,372 consumers with an average rating of 4.9.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.