Best Oil Flavonoids in 2026

ANTIOXIDANT PROTECTION: NOW Vitamin C-1000 tablets provide a daily dose of vitamin C needed for the production of collagen and amino acid metabolism

WITH ROSE HIPS AND BIOFLAVONOIDS: This unique blend includes rose hips and bioflavonoids, which work synergistically with vitamin C

CERTIFICATIONS/CLASSIFICATIONS: Vegan/Vegetarian, Quality GMP Assured, Non-GMO, Soy Free, Kosher

𝟮𝗫 𝗠𝗢𝗥𝗘 𝗘𝗙𝗙𝗘𝗖𝗧𝗜𝗩𝗘 𝗜𝗠𝗠𝗨𝗡𝗘 𝗦𝗨𝗣𝗣𝗢𝗥𝗧: Our quercetin-bromelain supplement contains 500mg NATURAL QUERCETIN, providing 2x more powerful immune support than other supplements’ 250mg of synthetic quercetin. Plus, we blend in 5 ADDED NUTRIENTS FOR BROAD-SPECTRUM SUPPORT.

𝗣𝗢𝗧𝗘𝗡𝗧 𝗭𝗜𝗡𝗖 𝗙𝗢𝗥𝗠: Our synergistic Z-Pass complex combines 50mg zinc with quercetin 500mg. Quercetin helps zinc pass through lipid membranes for INCREASED ABSORPTION. Our quercetin with zinc citrate is 23% MORE BIOAVAILABLE than zinc sulfate: its OPTIMAL DOSAGE is 5x more potent than 10mg formulas.

𝟯𝗫 𝗕𝗘𝗧𝗧𝗘𝗥 𝗤𝗨𝗘𝗥𝗖𝗘𝗧𝗜𝗡 𝗔𝗕𝗦𝗢𝗥𝗣𝗧𝗜𝗢𝗡: On its own, quercetin isn’t easily absorbed. To combat this, we combine quercetin with 500mg of the PUREST VITAMIN C FORM (ascorbic acid) and natural bromelain (from pineapple). Together, these nutrients BOOST UPTAKE of QUERCETIN’S POLYPHENOL and FLAVONOID COMPOUNDS.

USDA Organic Spirulina Tablet from Spirulina Powder Organic (Arthrospira Platensis), 3000mg Per Serving, 720 Counts (4 Months Supply), Green Algae Super Food, Vegan Friendly, Filler Free, Irradiation Free, Easy to Swallow.

Loaded with Vegan Protein, Chlorophyll, Fiber, Amino Acids (Omega 3 6 9, GLA, Arginine), Fatty Acids, Immune Vitamins (Vitamin A, Vitamin B2, Vitamin B12, Vitamin C, Vitamin K, Biotin), Minerals (Magnesium, Calcium, Potassium & Zinc Vitamin), Flavonoids, Phytonutrients and Antioxidants.

Powerfully Supports Energy, Colon Health, Digestive Function and Immune System.

Bioactive B Vitamins - Methyl B-12 & Methyl Folate provides methylcobalamin (methyl B-12) & methyl folate, which are the biologically active forms of vitamin B12 and B9, plus pyridoxal-5-phosphate (P5P), the coenzyme form of vitamin B6.

Energy Support Benefits - This Jarrow Formulas supplement helps to support cellular energy metabolism & neurotransmitter synthesis.

Homocysteine Metabolism - The unique combination of these B vitamins support the recycling of homocysteine to methionine to support cardiovascular health.

Micro Ingredients superior absorbing broken cell wall chlorella tablets. A high concentrated natural superfood that uses pure vegan friendly ingredients and is created with raw, organic chlorella that is treated under low temperature only and non-irradiated for superior quality. Designed to retain almost all of chlorella’s full spectrum nutrient dense profile.

Extremely nutritious chlorella product that is rich in essential nutrients like complete vegan protein from chlorophyll, fiber, vitamin B, C & D, antioxidants, flavonoids, polyphenols, enzymes, GLA, and minerals. Working as on overall adaptogen for the entire body with benefits for immune support, natural energy, body odor control, digestion aid, colon health, and more!

Convenient plant based support that replenishes the body with vital daily greens. Each of Micro Ingredients chlorella bags hold a 3000mg dose of this powerful plant, with 720 total tablets and up to a 4 months supply. Take it in the morning, throughout the day, or before bed to enjoy one of the most nutritious healthy foods on the planet.

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.

Extended Supply for Long-lasting Immune Support – Each jar of our Purify Life sambucus elderberry gummies for kids brims with 60 servings, ensuring a continuous 2-month supply. This means your child gets sustained immune support, making our offering twice as beneficial as other leading brands on the market.

Triple-action Antioxidant Blend – Our elderberry chews go beyond the ordinary with a potent blend of elderberry, zinc, and vitamin C. This unique combination delivers a powerful punch of antioxidants and flavonoids, supporting your child's immune system to naturally combat common colds, coughs, sniffles, itchy throat, congestion, flu and maintain optimal health & respiratory function.

Safe & Enjoyable for All Ages – With a texture designed for easy chewing and swallowing, these gummies are ideal for infants, toddlers, kids, and even teenagers. This vegan, sambucus black elderberry isn't just immune support—it's also a treat that your entire family will appreciate, making daily supplementation a breeze.

❤️ Diosmin Expert Omniven 500 by Dulàc is a supplement for blood circulation that helps in case of hemorrhoids, varicose veins, spider veins, swollen legs and ankles and feet and all problems related to poor circulation

💪 Formulated with Micronized Purified Flavonoid Fraction and rich in bioflavonoids: Hesperidin 50mg Diosmin 450mg, Red Vine, Butcher's Broom and Horse Chestnut

🦵 Useful for circulation and vein support for healthy legs, varicose veins and spider veins: in fact diosmin and hesperidin are venotonic and vasoconstrictor flavonoids

100% Premium Spirulina Arthrospira Platensis. NO GMOs; NO Additives. NO Fillers. NO Preservatives. NO Stabilizers. NO Binders. NO Artificial Colors. NO Artificial Flavors; NON-Irradiated

Maximum Strength Organic Spirulina Tablet | 3000 mg per serving | Gluten-free

Rich in Protein, Essential Amino Acids (Omega 3 6 9, GLA), Flavonoids, Vitamins (Vitamin A, Vitamin B2, Vitamin B12, Vitamin K), Minerals (Magnesium, Zinc, Calcium), Phytonutrients & Antioxidants.

HIGH POTENT RICH FORMULA: Our complex blend of trans-resveratrol, organic green tea extract, quercetin, grape seed extract, red wine extract, and acai fruit extract delivers anti-oxidants in every capsule. These trans resveratrol pills help to stop free radical damage and supports joint, and vascular health.

ACTIVE FORM 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. Resveratrol is an immune system enhancer that can help increase your energy and endurance.

A DIETARY SUPPLEMENT FOR DAILY LIFE: Our ingredients come from sources rich in polyphenols -- Trans-Resveratrol from the Polygonum Cuspidatum (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.

A SPECIAL FORMULA FOR CHILDREN - Each chewable tablet supplies 250 mg of vitamin C (ascorbic acid). This blend also includes citrus-based flavonoids, grape seed, and bilberry extracts to enhance vitamin C's antioxidant properties.

KIDS LOVE IT - The fun animal shapes along with the great, natural taste of orange make this a kid's favorite! Also, because it's sweetened with xylitol and sugar free, moms love it too!

IMMUNE SUPPORT - Combining the natural goodness of mango, papaya, guava, and pineapple with a balanced profile of nutrients delivers a complete immune supplement.

Advanced Immune Defense Supplement - Our 14 in 1 immune boost capsules includes artemsinin quercetin with bromelain and comes packed with all of the ingredients you need to feel your best! Our blend will not only improve your immune health, but will also aid in respiratory health, stress relief, mood support, and even skin health!*

The Immunity Support Stack You’ve Been Looking For - Don't settle for plain old capsules, powders, tablets, or gummies that just have one ingredient. With Clean Nutra, you get 5 full-dose products in one. Our product contains a full Artemesinin aka Sweet Wormwood, Quercetin 1000mg, Quinine, Mullein Leaf, and a complete four zinc blend with Zinc Citrate, Zinc Gluconate, Zinc Picolinate, and Zinc Biglycinate Chelate!

Introducing the Artemune100X Immune Blend - In addition to the 5 full supplements included above, our signature Arte-Mune blend contains these essential ingredients plus astralagus, ashwagandha root, nettle, bladderwrack, burdock, sea moss, monolaurin, bromelain, colostrum, and rutin! Our powerful formula offers 14 hand-selected ingredients that have been shown to improve your overall health in every way.

Highly Bioavailable Vitamin C: Vitalitown Vitamin C Complex utilizes ascorbic acid, the form of vitamin C found naturally in food. It is the purest and most bioavailable form, meaning it can be readily absorbed by the body through the bloodstream. Each tablet provides daily immune support with a whopping 1000 mg.*

Enhanced with Carefully Selected Herbs: Each serving is fortified with four best unmatched herbs. Citrus bioflavonoids and rose hips are rich sources of biologically active flavonoids, which are known to improve the absorption of vitamin C, while echinacea and turmeric extracts have been proven to help maintain immune health.*

Not Just Immune Support*: Vitamin C is needed to mount and sustain an effective immune response.* This nutrient also serves as a powerful antioxidant, protecting cells from free radical damage.* Besides, it helps increase collagen formation and aids in iron absorption.*

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

Immunity Support: Our 100% natural royal jelly propolis bee pollen tablets are all pure and full of antioxidants, polyphenols & flavonoids and is the ultimate immune booster for men and women. Keep it with you during times of high stress and cold & flu. Bee and You Propolis has x100 more antioxidants than Manuka Honey and x80 more antioxidants than pomegranate juice. Bee and You Royal Jelly has more than 4% 10-HDA (natural organic acid and quality parameter for royal jelly).

Royal Jelly / Anti-aging: Royal Jelly is the natural superfood of queen bee that supports the immune system, daily and sexual performance, energy, cardiovascular health (hearth and blood vessels), brain activity, focus and collagen synthesis in the body. Royal Jelly increases sperm quality and count and enhances overall fertility for men. Royal Jelly also improves menopausal symptoms and infertility for women.

Propolis is a natural miracle bee product that honeybees collect from the leaves, buds, and stems of the plants. Honeybees use propolis to protect their beehive from microbes. Bee Propolis acts as a natural protective barrier. We source our propolis from pristine Anatolian mountains which is home to 12,000 different plant species and one of the most biodiverse regions in the world. Bee and You Propolis has averagely x3 more phenolics and flavonoids than other propolis products on the market.

WHAT ARE CITRUS BIOFLAVONOIDS: Citrus Bioflavonoids are comprised of a group of water-soluble plant pigments that are found in citrus foods like lemons and oranges and contribute to the colorful look of these food

ANTIOXIDANT: Citrus bioflavonoids possess antioxidant properties in order to help the body fight off cell-damaging free radicals

OPTIMAL HEALTH: The formulation of Solgar Citrus Bioflavonoids offers natural, citrus bioflavonoids in order to support optimal health

[Vegan Collagen Booster w Biotin]: Unlike other collagen supplements, our Bamboo Silica complex includes Amino Acids to help rejuvenate skin’s youthfulness by restoring radiance, support skin structure & elasticity and improve texture. Stimulate skin health, hair growth and nail strength.

[90 Collagen Gummies - 45 Day Supply]: Purify Life adds 50% more hair skin and nails gummies than standard options to ensure you have the option of increasing your dosage, without running out in a week or two.

[Beauty Superfruits]: Grape Seed & Amla Fruit in our vegan collagen gummies for women, men, kids are loaded with antioxidants, phenolic acids, anthocyanins, flavonoids and vitamin c to boost your immune system, as well as protect against oxidative stress, tissue damage, and inflammation.

Rapid Response: Designed to boost your immune system within 2 hours**

Clinical Strength: Optimizes immune response with 500mg EpiCor* per serving**, plus vitamin C & zinc

Elderberry Power: May help strengthen immune function with elderberry, a nutrient rich in flavonoids

4-IN-1 IMMUNE BLEND: Our elderberry yummy gummies are carefully made to provide you with a simple way for boosting your immune health using our unique and innovative formula that contains Elderberry Extract 200mg, Propolis Extract 100 Mg, Echinacea Extract 400 Mg, and Vitamins C 70mg

VEGAN-FRIENDLY FORMULA: We believe that everyone should be able to make smart choices to protect their health which is why we make our immune support vitamin C gummies for adults and kids using a vegan and vegetarian friendly formula to compliment any diet and lifestyle

DELICIOUS & REFRESHING FLAVOR: Our elderberry gummies for children and adults are easy to chew which makes it a good alternative for capsule, pill, tablet, and syrup form. Additionally, it come in a raspberry flavor that allows them to double as an after-dinner treat that’s full of health benefits.

✅ High concentration: one tablet contains 200 mg of pure Quercetin, 250 mg of Vitamin C, 25 mg of Bromelain, 25 mg of Acerola, 25 mg of Rosehip, 5 mg of Rutin and 2.5 mg of Bioflavonoids

💪 Our natural Quercetin supplement performs antioxidant function and supports your immune system

😉 Dulàc Nutrition's Quercetin, Vitamin C and Bromelain tablets are natural and easy to swallow. We recommend to take 1 tablet a day, away from meals

2 to 10 TIMES STRONGER - each tablet provides 1000mg of Bilberry extract, equivalent to 10,000mg of fruit, compared to the more common 100mg, 250mg or 500mg tablets. Many of our competitors advertise 500mg, 1000mg, or even 1200mg Bilberry extract, but fail to mention that this is not per tablet, but rather per 2, 3 or even 6 tablet serving per day. With ours, you need only take one 10,000mg tablet. You would need to take up to 10 of our competitors tablets to get the same benefit.

300% MORE ABSORBENT - If your current bilberry supplement does not contain black pepper extract, you’re wasting most of it. With 5mg of Black Pepper Extract per tablet, 10,000mg Bilberry Extract increases the amount of the anthocyanidins in the blood by 300% or more, delivering it to where it is needed and fast.

MASSIVE 125mg OF ANTHOCYANIDINS - standardised to contain 12.5% of the potent antioxidant - anthocyanidins. This is 10x the concentration of most other supplements. Anthoycanidins are the most powerful of the flavonoids and give bilberry it’s beneficial properties.

Get 2-in-1 Benefits With Andrographis + Echinacea: Andrographis aka Nilavembu is a herbal plant native to South Asia. Combined with Echinacea from Purpurea Root, this unique Peak Performance formula provides a range of phytochemicals including diterpenoid lactones, flavonoids, caffeic derivatives, alkylamides and polyphenols.

Don’t Be Fooled By Suboptimal Andrographis! Not all andrographis capsules, pills or tablets are created equal! Many companies use cheap andrographis sourced from questionable regions. Peak Performance uses pure andrographis and combines it with Echinacea optimal bioavailability and results.

What's In Your Supplement? - Many supplements on the market use standard formulas that may contain cheap fillers and sometimes questionable ingredients. All of our ingredients are carefully chosen and 3rd party tested for purity.

𝗔𝗨𝗚𝗠𝗘𝗡𝗧 𝗬𝗢𝗨𝗥 𝗜𝗠𝗠?𝗡𝗜𝗧𝗬 - Boost your natural defenses the natural way daily with our quercetin bromelain supplement, which promotes a robust and well-balanced immune system.

𝗦𝗧𝗢𝗣 𝗧𝗛𝗘 𝗦𝗡𝗜𝗙𝗙𝗟𝗘𝗦 - Did you know that this quercetin gummy supports relief from allergies? This bromelain supplement helps rebalance the immune system and may keep it from overreacting to allergens.

𝗟𝗢𝗩𝗘 𝗬𝗢𝗨𝗥 𝗟𝗨𝗡𝗚𝗦 - Give your respiratory system the care it needs and deserves. Our natural bromelain with quercetin supplement may have a positive effect on the function of your lungs and airways.

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. *

PROMOTES BETTER DIGESTION, , HELPS PREVENT BLOATING AND GI DISCOMFORT- well digestion allows our body to receive nutrients from food properly. Papaya contains special digestive health enzymes called papain which helps release vital nutrients into the body, supports and promotes maximum digestion of fats, carbohydrates, proteins, cellulose and fiber. Hence our Natural Papaya enzymes help optimize digestion and alleviate gastrointestinal discomfort.

FORMULATION OF PAPAYA WITH ALL-NATURAL CONTENTS FOR OPTIMUM RESULTS- Papaya is naturally high in multiple vitamins, minerals, and flavonoids. Known as the “fruit of the angels” because of its luscious flavor, it has been used for decades to promote your digestion. Our formulation of Natural Papaya contains 100% natural health enzymes such protease, amylase lipase, bromelain and papain for an overall optimal digestive support making it an ideal supplement for all!

BPA FREE, RECYCLABLE GLASS BOTTLES- Cheap plastic bottles are harmful to your health. We seal your supplements in amber glass bottles with heat-sealed sleeves and best by dates to ensure the safest and purest product available. Unlike some other supplement manufacturers, our bottles are fully recyclable. Each bottle contains 90 tablets that are easy to swallow, Gluten Free and Vegetarian.

SOURCE NATURALS BENEFITS. . Pycnogenol contains 65% procyanidins, a special class of water-soluble antioxidant flavonoids, which are excellent free radical scavengers.

SUGGESTED USE. 1 tablet 1 to 3 times daily. To build reserves rapidly, start with 1 tablet three times daily, for 7 to 10 days. Decrease use to 1 tablet once daily, as desired.

FOR A HEALTHY BODY. Support against free radicals scavengers with this supplement.

Strengthen your immune system during cold and flu season with 500mg Vitamin C chewables. Each vitamin C tablet is infused with health supporting herbs such as Hesperidin, Lemon Bioflavonoids, Rutin, Acerola Cherry Extract, & Rose Hips.

Our vitamins for immune system support also strengthen the joints, heart, blood vessels, gums, skin, hair and nails. Vitamin C 500 mg delivers 100% of your daily need in just 1 dose.

The vitamin c 500 immune supplement infuses the body with natural flavonoids that relieve oxidative stress and help your body function more efficiently.

Gentle vitamin C: If you’ve been hesitant to take a vitamin c supplement because it could occasionally upset your stomach, these one-a-day, easy-to-swallow 1000mg tablets with calcium ascorbate, citrus flavonoids and rosehips are the alternative you’ve been seeking.

Increased absorption: Taking ordinary vitamin C in sufficient quantities to be effective can sometimes be harsh on the stomach. By combining calcium ascorbate (a gentler, buffered vitamin C), with absorption boosting citrus bioflavonoids, you’re able to get maximum vitamin C with minimum stomach upset.

Pump up the benefits: With rose hips providing additional immune support added to the power of citrus bioflavanoids, buffered vitamin C from Healths Harmony brings together a bevy of immune properties which can benefit your body over the short and long term.

Clinically studied, patented, powerful immune support formula activates the body’s natural immune response, immune readiness and supports your vital immune health.

More than just Vitamin C, Vymune tablets are formulated from natural amino-acids and flavonoids to support immune enhancing activities.

It has been scientifically shown that high doses of Vitamin C in the form of ascorbic acid alone will suppress the immune system. Vymune's ascorbates are formulated to avoid this immune suppression. See US Patent 5626883A Paul

IMMUNE SYSTEM BOOSTER: Supercharge your immune system with a blend of clinically proven phytonutrients, including Echinacea and Elderberry, plus vitamins and minerals that support white blood cell count, activate immune cells, promote immune response, and support immune regulation and protection

IMMUNE CELL SUPPORT & ACTIVATION: Specific nutrients like Echinacea, vitamin C, citrus pectin, and beta-glucan can “activate” or increase the efficiency of immune cells and help your body create more of them, thereby strengthening your defense

HEALTHY IMMUNE DEFENSE: Help your immune system react with strength so you can stay strong, healthy, and productive with immune boosting nutrients elderberry extract, zinc, and dark cherry flavonoids