Best Oil Flavonoids in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Oil Flavonoids

Sports Research Quercetin Supplement w/Coconut MCT Oil - Supports Antioxidant Activity, Heart & Immune Health for Women & Men - Quercetin 500mg, w/Out Bromelain - Quercitain, Quercitin 120 Softgels
#TOP1
Sports Research Quercetin Supplement W/Coconut Mct Oil -
9.9
PM SCORE
Adora Organics Resveratrol 1600mg, Trans-Resveratrol Antioxidant Supplement with Green Tea, Grape Seed Extract and Quercetin, Helps to Support Digestive Health and Immune System, 180 Capsules
#TOP2
Adora Organics Resveratrol 1600Mg, Trans-Resveratrol Antioxidant Supplement With
9.8
PM SCORE
Ulmubra Liposomal Luteolin 500MG, Maximum Absorption, Potent Flavonoid, 60 Softgels, Luteolin Supplement, Non-GMO, Gluten Free
#TOP3
Ulmubra Liposomal Luteolin 500Mg, Maximum Absorption, Potent Flavonoid,
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Oil Flavonoids of 2026

Sports Research Quercetin Supplement W/Coconut Mct Oil - Supports Antioxidant Activity, Heart & Immune Health For Women & Men - Quercetin 500Mg, W/Out Bromelain - Quercitain, Quercitin 120 Softgels

SPORTS RESEARCH
FG374
2.65 X 2.65 X 4.90 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sports Research 9.98

Features

ANTIOXIDANT SUPPORT: Sports Research quercetin supplement supports antioxidant activity and seasonal immune system function. Just one (1) of our softgels provide 500 mg of quercetin, promoting antioxidant activity and an immunity health support.

CARDIOVASCULAR SUPPORT: This quercetin supplement helps support the cardiovascular system and provides heart health support.

PREMIUM INGREDIENTS: Quercetin is a polyphenolic bioflavonoid and our Quercetin capsules are the most bioavailable form there is. It’s sourced from Brazilian fava trees, then formulated with Coconut MCT Oil and Sunflower Lecithin to help aid with absorption. It is also standardized to 95% quercetin powder in the dihydrate form.

SUPERIOR QUALITY: Our quercitin supplements are manufactured in cGMP compliant facilities and third party quality tested right here in the USA. We’re proud to offer products using only the best ingredients, resulting in a product that is also non-GMO and free of soy and gluten.

SPORTS RESEARCH: Created in 1980, Sports Research is a privately-owned business born from a passion for fitness, wellness, and healing. Our goal is to help people live their best lives through real, research-backed ingredients created for every body.

Adora Organics Resveratrol 1600Mg, Trans-Resveratrol Antioxidant Supplement With Green Tea, Grape Seed Extract And Quercetin, Helps To Support Digestive Health And Immune System, 180 Capsules

UNICO ORGANICS
046708997433
5.00 X 2.00 X 2.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Adora Organics LLC 9.83

Features

SOURCE OF ANTIOXIDANT: Our blend of Trans-Resveratrol, organic Green Tea, Quercetin, Grape Seed, and Acai Fruit Extract delivers anti-oxidants in every capsule. This antioxidant supplement helps to stop free radical damage and supports joint, healthy aging, heart, and vascular health. Resveratrol is an immune system enhancer that can help increase your energy and endurance.

ADVANTAGES OF Resveratrol: Resveratrol is a compound found in the skin of red grape seeds, juices, dates, berries, and red wine, with antioxidant properties that help to safeguard the heart and circulatory system, lowering cholesterol, and keeps you safe against clots which can cause heart attacks.

GOODNESS OF INGREDIENTS: Our ingredients come from sources rich in polyphenols -- Trans-Resveratrol from the PolygonumCuspidatum( Japanese Knotweed ) Root Extract, Green Tea Leaf Extract and Grape sed Extract full of potent polyphenols, Quercetin flavonoids from organic Sophora Japonica, and Acai Fruit Extract.

EASY TO SWALLOW: Unlike softgels, liquids, gummies, chewable, tinctures, oils, powder drink mixes, or caplets, our easy-to-swallow capsules have no unneeded binders or fillers. Our Resveratrol nutritional pills are combined with Vitamin C and Fruit powders that help you to feel better from the inside.

QUERCETINS: Quercetin, a potent bioflavonoid that helps in healthy blood flow to reduce blood pressure. Quercetin supplement helps lower cholesterol and blood pressure levels to balance cardiovascular function.

Ulmubra Liposomal Luteolin 500Mg, Maximum Absorption, Potent Flavonoid, 60 Softgels, Luteolin Supplement, Non-Gmo, Gluten Free

ULMUBRA
WBC-ULUTE
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Whole Body Clean 6.18

Features

🎅HIGHEST POTENCY Liposomal Luteolin 500MG Formula on the market today. Each bottle contains 60 Softgels for a 30-day supply. Don’t settle for 100mg or 50mg luteolin supplements - Experience the amazing benefit from our 500 mg per Serving of Luteolin, without breaking the bank.

🎅Get Significantly Higher Absorption Rates - Liposome technology is revolutionizing the way we take Luteolin by successfully avoiding digestive elements, transferring the Luteolin from the digestive tract directly into the bloodstream achieving superior bio-availability & absorption. Enabling maximum delivery of your daily Luteolin need - much better than regular Luteolin.

🎅Liposomal luteolin contains powerful antioxidant properties and helps protect against free radical damage. **Attention the source of Ulmubra liposomal luteolin is peanut shells.**

🎅Luteolin is a bioflavonoid that can naturally be found in foods like oranges and artichokes. Bioflavonoids help the brain, nervous system, and mood while defending against age-related cognitive decline.

🎅USA Proud - Our easy-to-swallow Luteolin is an All-natural formula. Non-GMO, soy-free, gluten-free, dairy-free, chemicals-free, and artificial preservatives -free. Manufactured in the USA. Trusted Ingredients, Superior Quality. Ulmubra Luteolin supplement contains 30 servings of 500mg.

Cranberry Supplement | 4800Mg | 300 Softgels | Non-Gmo And Gluten Free Cranberry Pills From Concentrate Extract | By Horbaach

HORBÄACH
CL11595
2.50 X 2.50 X 4.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Carlyle 9.99

Features

CRANBERRY FRUIT: Source of naturally occurring Vitamin C and antioxidant flavonoids

HERBAL SUPPLEMENT: The equivalent of 4,800 mg of Cranberry per serving in quick-release softgels

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, Lactose, Artificial Flavor, Artificial Color & Non-GMO

#TOP5

Sambucus Black Elderberry Gummies [4 In 1 Immune Booster] Plus Zinc & Vitamin C & Echinacea, Immune Support Supplement For Adults & Kids, Antioxidant Support, Vegan, Gluten-Free [60 Count -2 Pack]

ENVYCURE
FDKLK-661
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KroOLife 9.92

Features

PREMIUM IMMUNE SUPPORT: Our organic elderberry gummies combines the health benefits of Black Elderberry Extract, Echinacea Extract, which can better strengthen body's natural defenses, boost immunity. These organic elderberry syrup are rich in antioxidants and high potency, which can provide you and your family with the protection you need.

STRENGTHEN ANTI-OXIDATION: One study has proved that organic black elderberry boosted anti-oxidation ​is three times faster than a regular herbal supplement. For optimal protection all year-round, you can chew 1- 2 sambucus elderberry gummies vitamins per day to help our body remain balanced and defend naturally.

MOST VALUABLE BIOACTIVES: EnvyCure vegan elderberry gummies are made from the European black elderberry extract to ensure you can get a higher content and all-natural flavonoids, which are the most valuable antioxidants and phytochemicals in elderberry. Each serving elderberry gummies contains 150mg of elderberry extract, which is standardized to 25% anthocyanin (potent flavonoid BioActives) to ensure you get better immunity compared with other elderberry supplements.

SAFE & ORGANIC STANDARDIZE: Our ingredients are carefully selected and sourced for high quality assurance. They are purity-tested vegetarian and low sugar vitamin gummies, only uses all-natural ingredients to support healthy immune system. The sambucus elderberry syrup are free of GMOs, preservatives, artificial colors, gluten, gelatin.

MADE IN USA & 100% SATISFACTION: All of our black elderberry syrup gummies, tablets, capsules, softgels are manufactured, purity-tested and bottled for quality standards and consistency. And your satisfaction is our TOP Priority. If for any reason you’re not satisfied with the elderberry gummies for kids and adults, let us know and we provide you with a 60-day money back guarantee.

Flaxseed Oil 1400Mg Softgels, 300 Counts | W/ 700Mg Ala Omega 3, Cold Pressed, Rich In Fatty Acids, Alpha Linolenic Acid, Support Heart Health & Immune System | Non-Gmo, No Gluten - 300 Servings

MICRO INGREDIENTS
HUAI4A-199
5.10 X 8.10 X 0.40 Inches
0.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Micro Ingredients 9.95

Features

Micro Ingredients Flaxseed Oil 1400MG, 300 Counts (300 Days Supply), Cold Pressed, No GMOs.

Rich in Immune Vitamins (Vitamin B2, Vitamin B12, Vitamin C), Minerals (Magnesium, Calcium, Potassium, Zinc Vitamin), Amino Acids, Alpha Linolenic Acid, Flavonoids, Fibers and Antioxidants.

Powerfully Supports Healthy Skin, Hair, Nails, Bones Joints and Vascular System.

No GMOs, No Gluten, No Soy, No Tree Nuts, No Artificial Colors, No Flavors and No Irradiation.

Manufactured at Registered Facility in California.

#TOP7

Astragalus Extract 500Mg - 2000Mg Equivalent 4:1 Extract – 200 Capsules – Astragalus Supplement – Helps Support Strong Immune Function And Cardiovascular System Astragalus Root Extract

WE LIKE VITAMINS
11879
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WeLikeVitamins 9.92

Features

MAXIMUM STRENGTH ASTRAGALUS EXTRACT 500mg - 2000MG Equivalent 4:1 EXTRACT PER CAPSULE – Our Top Rated naturally sourced supplement delivers 2000mg Equivalent of Astragalus per capsule. Our Astragalus is backed with a 100% MONEY BACK GUARANTEE. So ORDER RISK FREE.*

BEST VALUE ASTRAGALUS ON AMAZON -200 Capsules- 200 DAY SUPPLY – Each bottle contains 200 Capsules of Pure Astragalus. Others offer fewer capsules or softgels only 60, 90, or 120 at a lower 500mg or 1000mg for a higher price. With We Like Vitamins Astragalus you buy fewer bottles and save money.*

BENEFITS OF MAX STRENGTH ASTRAGALUS – Astragalus is an herb (Astragalus Membranaceus root) and the root is made into supplements. It is used to help support the immune system, the cardiovascular system, acts as an anti-inflamatory, and is an adaptagen. *

GET HEALTHIER TODAY – Every Astragalus capsule delivers 500mg Extract Equivalent to 2000mg from a 4:1 Astragalus Exctract. Astragalus supplements contain three components that help with overall health. Saponins, Flavonoids, and Polysaccharides. Astragalus is often misspelled as: astralagus, astragulas, astragulus, astralgus, astalagus, astragalas, astralugus, astrogalus, astrgalus, astagulus, stragalus, astraglus, and atragulus *

HIGH QUALITY ASTRAGALUS – Our Astragalus supplement is free of preservatives and artificial ingredients. All of our products are encapsulated and bottled in the USA with ingredients sourced from around the world. Using Astragalus Capsules from We Like Vitamins is a great start to a healthier lifestyle. *

Odorless Garlic Pills & Parsley Supplement - 1500 Mg Aged Extract Oil Capsules, 120 Softgels, Immunity Support Supplement

BENEVOLENT NOURISHMENT
GA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bee-Pro 9.95

Features

Superior potency -Our product delivers 1500 mg of pure garlic and parsley, making it one of the most potent formulas on the market. Our product is carefully manufactured to keep the standardized quality ingredients, including allicin that helps you get the garlic benefits.

Garlic and Parsley Benefits – Benevolent Nourishment's Garlic & Parsley supplement is a one-of-a-kind blend of two proven herbs known to support overall health. Get the multiple health benefits of Garlic and Parsley in one soft gel. Beneficial flavonoids and essential nutrients in garlic help support the body’s natural defenses. The chlorophyll in parsley helps to neutralize garlic breath & cancel out the garlic odor on your breath.

Quick Absorbed Nutrients- Benevolent Nourishment's Odorless Garlic and Parsley is formulated in quick-absorb soft gels for easy-take. Our garlic and parsley supplement comes in special soft gels that not only help prevent the bad odor but also the strong after-taste. It protects your gums from problems that may occur from direct chews. The soft gel formulation also adds up to the absorption to help get the supplement exactly where it needs to be!

Worth the money- Enjoy a boosts of immunity that is pocket friendly as one bottle gives you 40 days of supply! Maintain a healthy happy life without hurting your pocket as each soft gel is rich in vitamins and minerals that are essential to keep us healthy and help our bodies to function properly everyday.

Made in USA – Our supplement is made in a cGMP facility in the USA. This garlic and parsley is made from naturally grown garlic that has been aged up to 20 months to enhance the nutritional value, remove its pungent odor and make it gentle on the stomach. These odorless soft gels are made in the USA, with 100% premium formulation!

Black Cumin Seed Oil Capsules - 1000Mg Ultra Pure Cold Pressed Black Seed Oil Pills With Vitamin E For Hair Growth & Liver Support - Vegan Sativa Black Seed Oil Supplement For Women & Men, 120 Count

BIOSCHWARTZ
BIO-BLACKSEEDOIL-60-GS-1
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BioSchwartz 9.94

Features

Highly Potent Cold-Pressed Black Seed Oil Capsules: Our ultra-pure black seed oil capsules are sourced from the nigella sativa plant, a powerhouse herb that can be traced back to ancient Egypt. Formulated to invigorate your entire body from the inside out, black seed oil can help support your immune system, liver, hair, skin and nails health

Mother Nature's Immune Support Supplement: Brimming with antioxidants plus vitamin E, our cold-pressed black seed oil can help offer immune support when you need it most. What's more, black seed oil is comprised of beneficial natural elements like thymoquinone, flavonoids, and omega 3 6 9 fatty acids, which is why researchers have also linked its effects to supporting liver health and digestive function

Enjoy Healthier and Stronger Hair, Skin, and Nails: Curb brittle and thinning hair and nails with our black seed oil for hair growth. Black seed oil boasts a range of potential benefits, such as stimulating hair growth, conditioning and softening your hair strands, and promoting thicker, longer hair. Our black seed oil capsules also help promote clearer skin & stronger nails and cuticles, so you can enjoy a more radiant, youthful glow starting today

Easy-To-Swallow Softgel Capsules (2-Month Supply): Our black seed oil is offered in a convenient, easy-to-swallow liquid capsule that's mess-free and can be taken on the go. Boasting 1000mg of black cumin seed oil per serving with 60 full servings per bottle, we suggest taking with a meal or water for smoothest digestion and highest absorption

Committed To Quality Supplements You Can Trust: Since 2014, we've been committed to providing our customers with premium supplements they know and trust. That's why our black seed oil capsules are manufactured in the USA and are free of fillers, preservatives, GMOs, and gluten, making them the smart choice for health-minded women and men

5 In 1 Turmeric Curcumin Softgels 2000Mg With Milk Thistle Seed Extract & Black Pepper, Ginger Root - Joint, Immune, Liver Support - 95% Curcuminoids - Turmeric And Ginger Supplement Softgel Capsules

ENVYCURE
TURMERIC SOFTGELS-1200
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KroOLife 9.92

Features

【Turmeric Curcumin with Black Pepper】Our liquid turmeric softgels are made of 2000mg turmeric strength blend ( Turmeric Root & Turmeric Extract & Ginger) and includes 10mg BioPerine, a black pepper extract, to support the absorption of curcuminoids. Works well for anti-aging, heart health, digestive health and immune health without side effects.

【Liver Support & Detox】Our formula also includes milk thistle seed with standardized to 80% silymarin flavonoids to provide high-power liver support. This turmeric and milk thistle seed supplement acts as a Super-Powerful Plant Antioxidants that helps promote healthy joint & liver function, as well as boost your overall immune response.

【Advanced Delivery System】Curcumin is the active ingredient in turmeric but it's a fat-soluble nutrient that can only be absorbed via forms of fat or oil. Our groundbreaking formula solves the bioavailable problem by using bioactive curcuminoids, Bioperine and a unique oil-based delivery to maximize the absorption and release the full benefits of curcumin.

【Vegan Turmeric Softgels Capsules, Non-GMO 】Our turmeric curcumin capsules with milk thistle seed extract are free of soy, gluten, milk, egg, wheat, peanuts, artificial flavors, and preservatives, it is a natural turmeric supplements which can help support overall well-being

【Made In USA & Superior Quality】All of our supplements are manufactured, purity-tested and bottled for quality and consistency. BUY NOW and take your health from good to great.

Green Tea Extract Supplement With Egcg - 180 Capsules - Max Potency Green Tea Fat Burner 500 Mg Pills For Weight Loss, Boost Metabolism & Heart Health, All-Natural Low Caffeine Diet Detox Antioxidant

ASQUARED NUTRITION
GREENTEA_98%EXTRACT_180CT_FNSKU
4.50 X 2.50 X 2.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
aSquared Brands 9.94

Features

PROMOTES FAT BURNING & WEIGHT LOSS: Our maximum strength Green Tea formula contains 180 capsules of 500mg Green Tea 98% Extract, is backed by our 100% MONEY BACK GUARANTEE for 30 days, and is made in the USA in a GMP-certified facility. Green Tea Extract is one of the most widely used ingredients in weight-loss supplements. Green Tea Extract promotes increased fat burning, helps boost metabolic rate and supports healthy weight loss especially in the abdominal region. *

BOOSTS ENERGY, MEMORY & MOOD: Our potent formula helps boost energy and improve physical performance. Green Tea has been shown to provide consistent energy all day long without the jitters associated with coffee. Containing Caffeine and L-Theanine, Green Tea promotes normal levels of dopamine and norepinephrine in the brain, and may help improve mood, cognitive function and reaction time. L Theanine crosses the blood brain barrier and increases the activity of GABA. *

POWERFUL ANTIOXIDANT: Green Tea contains polyphenols such as flavonoids and catechins that are known to be powerful antioxidants and free radical scavengers. Additionally, Green Tea contains Epigallocatechin Gallate (EGCG), which is known to have anti-aging dietary properties. Green Tea is an appetite suppressant, and also supports cardiovascular, dental and immune system health. *

BEST VALUE ON AMAZON: Backed by our 100% MONEY BACK GUARANTEE for 30 days, each bottle contains 180 capsules with 500 MG of Green Tea 98% Extract in each capsule. If you are dissatisfied with our complex you have 30 days to return it for a full refund. Not to be mistaken for other Green Teas products such as powder, tablet, drop, liquid, soft gel, tea leaf serum, gummy chews, chewable complex chewing gum, vcaps, softgel drink, vitamin soft-gels, gummies, tincture, and patch lozenges. *

SUPPORTS LONGEVITY: Our Green Tea Extract is packed with Polyphenols including catechin, which naturally work to promote cell health. Green Tea is packed with antioxidants, and supports heart & cardiovascular health. The polyphenols in green tea promote immune system health, and even contain anti-aging properties. Green Tea Extract works great with Resveratrol 1000mg, NMN, or Liposomal Vitamin C 1200mg. *

Ox Health Super Antioxidant Supplement | Gac Super Fruit | Dha | Momordica | 60 Softgels | Supports Healthy Aging | Immune Support | Advanced Antioxidation

OX HEALTH
BIG RED_001
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ox Health 5.25

Features

WHY GAC FRUIT: Also known as Momordica cochinchinensis, Gac Fruit is one of nature’s best sources of antioxidants, containing 70 times more lycopene than carrots and 5 times more beta carotene than tomatoes; it is also rich in vitamins A, C, E and healthy flavonoids

LONGEVITY AND IMMUNE SUPPORT: Gac Fruit contains powerful antioxidants which support healthy aging and a strong immune system; clinical studies have shown the benefits of gac fruit to include increase antioxidative activity and boost immune defense.

EYE HEALTH: Gac Fruit contains eye-friendly antioxidants like beta carotene, lycopene, zeaxanthin, and vitamins A & C to promote eye health.

ALL NATURAL ANTIOXIDANT SUPPLEMENT: Formulated by actual pharmacists without additives, fillers, or artificial colorings; Ox Health Gac Fruit is made with responsible, regionally-sourced tropical gac fruit; our softgels are small and convenient for daily consumption.

100% SATISFACTION GUARANTEED: We guarantee our purity, freshness and potency; if you’re not satisfied with our product, let us know within 90 days and we’ll provide you with a refund.

Fibroprotek 1 Pack, Physician Recommended - Luteolin & Quercetin Included In An Exclusive Combination Of Ingredients Including Olive Pomace Oil

ALGONOT
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Algonot LLC 6.12

Features

FibroProtek - All natural, dietary supplement in softgel form. Due to high demand and low availability of FibroProtek, we are sorry to limit purchases to only one per order.

Exclusive combination of Coenzyme Q10, Carnitine, Luteolin, Quercetin & Olive Oil

Research has shown the ingredients in FibroProtek may promote neuromuscular harmony.*

Unique to Agonot's formulations is olive pomace oil, a powerful anti-oxidant that is important in helping the body absorb and delivery the dry flavonoids found in each soft gel capsule

While some benefit may be noticed shortly after starting FibroProtek, it may take several months before measurable benefits are observed. FibroProtek does not require a prescription. FibroProtek is not intent to cure. FibroProtek is not an analgesic.

Top 10 flavonoids Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Envycure 2
Algonot 1
Asquared Nutrition 1
Benevolent Nourishment 1
Bioschwartz 1
Horbäach 1
Micro Ingredients 1
Ox Health 1
Sports Research 1
Ulmubra 1

Top 10 flavonoids Brands Pie Chart


We've carried out a comprehensive analysis of 21,323 reviews on flavonoids, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select flavonoids priced around $22.64, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 13 flavonoids for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right supplements Products based on their needs, saving them considerable time when choosing which flavonoids to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.