Best Vegetarian Polyphenol Antioxidant Supplements in 2026

Get Enough Sleep: Sleep enhances immune defense and a lack of it can affect the immune system; Studies have shown how people who don't get enough sleep have a higher risk of illness, and it can also impact the time it takes for the body to recover

Sleep Strengthens Your Immune System: Research has shown the importance of sleep in strengthening your immune system, improving mental sharpness, maintaining balanced moods and so much more; Natrol Melatonin is a solution for occasional sleeplessness

Drug Free: Natrol Melatonin is a nighttime sleep aid that assists with occasional sleeplessness; It is non-habit forming, so you can use it with confidence whenever you need to adjust your internal clock; Plus it's vegetarian

MAX STRENGTH QUERCETIN: aSquared Nutrition’s maximum strength Quercetin formula contains 500mg of Quercetin powder per capsule and 200 vegetable capsules per bottle for a full 200-day supply. Quercetin is a plant pigment flavonoid that is naturally found in berries, broccoli, and leafy greens. Quercetin is a powerful antioxidant and free radical scavenger that helps protect the body from cell membrane damage & DNA alterations. *

FEEL THE DIFFERENCE: Quercetin is a powerful antioxidant. 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. *

POWERFUL ANTIOXIDANT: Flavonoids such as Quercetin are free radical scavengers that fight off oxidation. Diets high in Quercetin may help combat cognitive impair & allergies. *

ALA + Biotin Benefits - Alpha lipoic acid (ALA) is an antioxidant functioning in glucose metabolism and energy production. The formula includes biotin for optimum ALA activity.

Antioxidant Support - ALA and biotin promote glutathione, a critical component of the body’s endogenous antioxidant network. The formula also supports carbohydrate metabolism.

Quick & Sustained Releases - Advanced bilayer sustain tablets combine 1/3 Quick Release and 2/3 Sustained Release formats to raise and to maintain ALA blood levels over a longer period.

Plant-based Nutrients: Made with Plant-Based, Whole Food nutrients for healthy bone support, including Calcium and Magnesium from Marine Algae, Vitamin D3 from Lichen, and Vitamin C from Organic Acerola Cherries.

Complete Formula: Includes 10 vitamins & minerals that work together to support healthy bone building and help maintain bone density,* including Vitamin D, K2, C, Zinc, Magnesium, Manganese, Potassium, Boron, and Silica.

Healthy Calcium Absorption: Vitamin D3, Magnesium, and Vitamin K2 are crucial co-factors that help your body to absorb and use calcium properly, so that it goes into your bones rather than your arteries and soft tissues.*

MAXIMUM VALUE / MAXIMUM STRENGTH: Each bottle contains 180 veggie capsules, each capsule contains a robust 400 mg of a potent 50:1 Grape Seed Extract, and the extract contains a minimum of 95% Polyphenols. This combination means you are getting 20,000 mg strength per capsule - the strongest dosage available!

POTENT ANTIOXIDANT SUPPORT: At 400 mg per capsule of a concentrated, highly standardized 50:1 extract, our Grape Seed Extract offers a large dose of potent, powerful antioxidant support for cleansing your body of toxins and free radicals. As an antioxidant, Grape Seed Extract is 20 times more effective than vitamin C, 50 times more effective than vitamin E, and has the added benefit of boosting the effectiveness of other antioxidants in your system.

HIGH BIOAVAILABILITY, HIGHLY CONCENTRATED AND ALL-NATURAL: Our Grape Seed Extract is a highly concentrated, standardized 50:1 extract containing a minimum of 95% Polyphenols. The key to our extraction is an all-natural process that ensures high bioavailablity - which means your body receives maximum absorption and maximum benefits. The extract includes a high concentration of Oligomeric Poranthocyanidins (OPC's), which are the powder, water-soluble antioxidant compounds found in grape seeds.

NATURAL IMMUNE SUPPORT: Perfect blend of premium vitamins, minerals, and herbs to support the body’s natural immune defenses during any season.

SAMBUCUS BLACK ELDERBERRY: Includes 350 mg of Black Elderberry Extract (Sambucus nigra). Full spectrum extract with the richest source of anthocyanins.

HEALTHY IMMUNE SYSTEM RESPONSE: Balanced blend of time-tested ingredients like Vitamin C, Zinc, and Echinacea root, which have been used traditionally for centuries to help reduce the duration of colds.

✔ HIGHEST POTENT RICH FORMULA - EXTRA STRENGTH 1450 MG PER SERVING. Premium Resveratrol expertly combined with immune-boosting vitamin C & fruit powders. Our formula helps you maintain your youthful vigor and glow, adding “life to your years” and helping you feel better off than before you started, promoting vitality, energy, and overall wellness.

✔ ANTI-AGEING AND RESVERATROL BENEFITS - Our premium, high potency resveratrol is a powerful anti-oxidant to help fight aging, support cardiovascular health, and even help promote reduce inflammation. Resveratrol helps you naturally maintain your youthful vigor & appearance - and most importantly support your joint system. Resveratrol is a proven antioxidant to promote overall health and well-being.

✔ 100% PURE RESVERATROL – Nutrivein Resveratrol delivers 1450mg of 100% pure resveratrol per daily intake (750mg per capsule). We are offering the most potent extract on the market sourced from premium, polyphenol rich natural ingredients. Resveratrol is often sourced from red grape skin, juice, berries, red wine, blueberries, and Japanese knotweed (polygonum cuspidatum). *

ResVitále Resveratrol 500 mg: Helps Maintain Cellular Health & Helps Activate The 'Longevity' Gene* ResVitále, the leading name in Resveratrol, offers a distinctive antioxidant formula made from one of the Earth's most concentrated sources of trans-Resveratrol. The active polyphenol in Resveratrol 500mg offers unique cellular protection not found in all sources. This powerful formula contains trans-Resveratrol from wildcrafted Japanese Knotweed specially processed to ensure potency and

trans-Resveratrol The active and stable polyphenol from wildcrafted Japanese Knotweed, a plant containing a higher concentration of trans-Resveratrol than red wine.*

Organic French Red Wine Grapes Grown and harvested in organic vineyards certified by Agriculture Biologique.*

DAILY PROBIOTIC , IBS CAPSULES FOR MEN & WOMEN: These capsules are a unique blend of probiotic PLUS 3 types of enzymes. A once daily serving can help lessen minor abdominal discomfort & occasional bloating, while supporting digestive balance

CLINICALLY TESTED PROBIOTIC STRAIN: BC30 is protected by a natural protein shell to help it survive stomach acid 100X better. This survivability means more can reach your gut, where it can help support digestive & immune health.

DIGESTIVE HEALTH , IMMUNE SUPPORT: Did you know that 70percent of your immune system is located in your digestive tract. That’s where our patented BC30 probiotic can interact with intestinal cells to help support your body’s overall digestive & immune health.

✓ x3 More - We provide up to three times more capsules per bottle than most other competing products! At 180 capsules per bottle for a full 3 month supply, we offer excellent value for money. Most Resveratrol supplements provide between just 60 and 120 capsules. So, why pay more for less? Suitable for vegans and vegetarians, with no GMO ingredients and free of common allergens including Gluten and Soy.

✓ Max Strength Antioxidant Capsules - Delivering 1450mg of potent antioxidant ingredients per serving: including 605mg of Resveratrol, 120mg of Vitamin C and 725mg of Polyphenols, our complex is one of the most powerful on the market. Unlike other Resveratrol supplements made solely from Polygonum cuspidatum (Japanese Knotweed), ours is enriched with additional ingredients for a complete, powerhouse antioxidants supplement. This winning formula promotes vitality, energy and overall wellness.

✓ 100% Natural Formulation - There are no hidden nasties here and especially no GMO ingredients! Our high quality supplement is made only from 100% natural ingredients from premium sources rich in health promoting polyphenols. The Resveratrol used is derived from Japanese Knotweed which has one of the highest contents among natural sources. Our Polyphenols complex is also derived from a mix of natural extracts from fruit and botanicals and full of wondrous health benefits.

DENSE IN TRANS-RESVERATROL: aSquared Nutrition’s 1000mg Resveratrol Polyphenol formula is dense in Trans-Resveratrol. Our potent formula includes Resveratrol from a Red Wine Polyphenol extract as well as from Polygonum Cuspidatum. We include Green Tea extract to capture the amazing benefits of polyphenol EGCG and numerous flavonoids. *

SUPPORTS WELLNESS: Resveratrol promotes Cellular and Mitochondrial health & function by preventing toxin & free radical exposure, and promoting efficient transport and regulation of cell nutrients to ensure effective energy production. Our vegan friendly formula is rich in polyphenols and contains 180 veggie capsules. *

AMAZING BENEFITS: Resveratrol is a powerful antioxidant that supports immunity. It supports cardiovascular health, and supports immune & brain function. More important, Resveratrol promotes Mitochondria health & function, and is a powerful AMPK Activator. Works great with Nicotinamide (Vitamin B3), Pterostilbene & NMN. *

TWO SUPERFRUITS, ONE POWERFUL FORMULA - Blueberry and pomegranate compounds are each well known for promoting a healthy inflammatory response. By supplementing with blueberry and pomegranate compounds, you can obtain the health benefits of both super fruit superstars!

WHAT IS WILD BLUEBERRY EXTRACT? Compounds in blueberry support cognitive health, help maintain healthy LDL and offer potent antioxidant protection.

WHY DID WE ADD POMEGRANATE POLYPHENOLS? Polyphenols are a kind of chemical that occurs naturally in plants. Pomegranate is packed with healthy, highly-absorbable polyphenol compounds.

Resveratrol & Polyphenol Complex 1,450mg per serving. Serving is 2 capsules.

With Vitamin C and a proprietary Polyphenols complex. 180 veggie Capsules for a 90-Day Supply).Vegan/Vegetarian, Non-GMO & Gluten-free

Advanced and superior Resveratrol Supplement using high-quality sourcing and innovation

Important polyphenol helps promote antioxidant health.

It supports the body's fight to suppress free radicals that can lead to pre-mature aging of cells.

Important ingredients are present for maximum benefit.

Sleep Better Naturally: Plant-based formula with Algae Magnesium, Valerian Root, Chamomile, Passion Flower, Lemon Balm, and Hops to help you fall asleep more easily, stay asleep through the night, and wake up rested.*

Non Habit-Forming: Gentle formula made with calming herbs and mellow neurotransmitters such as melatonin, GABA, and 5-HTP, to help the body and mind relax.*

Wake Up Refreshed: Unlike other sleeping pills that can leave you groggy and sluggish, our natural sleep aid leaves you rested, refreshed, and ready to take on the day!

SUPPORTS JOINT HEALTH, COMFORT AND FLEXIBILITY: Each capsule of Heal-n-Soothe contains a blend of Proteolytic Enzymes, Organic Turmeric Extract, Bromelain, Boswellia Extract, Papain, Rutin, Mojave Yucca Root, Devil's Claw, Citrus Bioflavonoids, Alpha Lipoic Acid and Ginger supplement.

SCIENTIFICALLY FORMULATED PROTEOLYTIC ENZYMES TO SUPPORT A HEALTHY IMMUNE SYSTEM: Heal-n-Soothe is formulated to be a strong and high potency proteolytic enzyme formulation.

BETTER THAN ORDINARY TURMERIC CURCUMIN SUPPLEMENTS: Yes, Heal-n-Soothe contains 60mg of turmeric, a widely recognized antioxidant. But we didn't stop there. Heal-n-Soothe also contains 12 more natural ingredients, designed to deliver maximum natural joint support.

Highest Potency OPC Extracts - OPCXtra contains 180mg of combined standardized OPC extracts, more than any other Isotonic OPC product on the market. It provides six major sources of powerful bioflavonoids - green tea extract, grape seed extract, red wine extract (Resveratrol), pycnogenols pine bark extract, bilberry extract and citrus bioflavonoids.

Natural Health Support - A healthy immune system is your bodies best defense. Antioxidants are powerful immune support supplements that occur in nature and promote brain and heart health, support joint health, and assist with stress relief.

Easy to Use Powdered Formulation - Taking care of your health should be simple and easy. Pills, tablets, gummies and chewable vitamin formulations and can be difficult for some people to swallow and can be hard to digest. OPCXtra easily dissolves completely in water to create a powerful 100% bioavailable liquid vitamin and antioxidants supplement that is easily digested and rapidly absorbed into your system for maximum health benefits.

4- Hour Sustained Release Helps maintain cellular health and helps activate the 'longevity' gene* High-potency antioxidant* formula features TriActiv Technology BRING BACK YOUR YOUTHFUL ESSENCE ResVitále, the leading name in Resveratrol, offers a distinctive antioxidant formula made from one of Earth's most concentrated sources of trans-Resveratrol.* The active polyphenol in Resveratrol 500mg offers unique cellular protection not found in all sources.* This powerful formula contains

Helps Maintain Cellular Health And Helps Activate The 'Longevity' Gene

High-Potency AntioxidantFormula Features Triactiv Technology? Bring Back Your Youthful Essence

PREBIOTIC FIBER POWDER WITH SUPERFRUIT POLYPHENOLS: Support your gut health and overall wellness with a purposeful blend of 2 prebiotic fibers and 2 polyphenol-dense superfoods, including Jerusalem artichoke, oat beta glucan, blueberry extract and pomegranate extract (1)

INCREASE AND NOURISH GOOD GUT BACTERIA: Get the gut and wellness support you need with Nature’s Bounty Advanced Prebiotics Plus Powder. Nourishing the healthy bacteria you already have with prebiotics is just as important as supporting your digestive health with probiotics.(1) This prebiotic fiber supplement increases and nourishes your good gut bacteria and pairs well with any probiotic regimen (1)

CLINICALLY EFFECTIVE INGREDIENTS FOR A HEALTHY GUT: This patented formula includes clinically effective ingredients to support a healthy gut lining, which helps keep waste and toxins out of our bloodstream and supports overall wellness, digestive health and immune health (1). Prebiotic fibers nourish good bacteria and provide fuel to the cells of the gut lining, while superfruit extracts provide antioxidant properties and are broken down by good bacteria into smaller compounds our body can absorb and use

HIGH BIOAVAILABLE TRANS RESVERATROL COMPLEX - Each resveratrol 600 mg capsule of natural polyphenol rich resveratrol contains 50% trans resveratrol. This resveratrol extract is sourced from Japanese knotweed (polygonum cuspidatum root) which is highly absorbable by the body.*

RESVERATROL ANTI AGING BENEFIT - Our Japanese Knotweed supplement may help protect against free radical damage. Our resveratrol healthy nutritional supplements are for men and women looking to naturally maintain a healthy immune system, vibrant looking skin, and their youthful vigor and energy.*

RESVERATROL HEART HEALTH - Our resveratrol knotweed antioxidant rich capsules contain natural bioflavonoids known to support heart wellness along with supporting many other body functions. Japanese Knotweed Extract may also help support the nervous system and brain health.*

The below information is per pack only

MINIMUM OF 90 PERCENT POLYPHENOLS: Over four times the grape seed extract as in our regular strength product (60 mg per capsule), offering even more free radical protection*

HIGHLY CONCENTRATED EXTRACT: Grape seed OPCs may help to support the health of vascular, bone, kidney, brain, and other tissues by supporting a healthy, balanced immune response to oxidative and metabolic stress*

POTENT ANTIOXIDANT POWERS THAT CLEANSE THE BODY- Cranberries have a long history of medicinal uses. Our Organic Cranberry extract supplements help promote urinary tract health and provide potent and support that helps protect the body’s cells. These Cranberry supplements also help promote kidney health, maintain heart health, improve digestion and promote your skin. They can also help reduce swelling, water retention and bloating.

ORGANIC CRAnBERRY FORMULATION- Our Organic Cranberry tablets boast an all-natural formulation as they are produced from whole, organic cranberry fruit containing beneficial antioxidant compounds such as polyphenol and quinic acid. Our Cranberries are grown in North America and Certified USDA Organic through the trusted Quality Assurance International (QAI). our pure and natural cranberries do not have genetic modification or antibiotics.

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 30 tablets that are easy to swallow, Gluten Free and Vegetarian.

Grape Skin & Seed Extracts - This formula has a unique combination of whole grape extract (similar to a non-alcoholic wine extract), grape skin powder and a special grape seed extract (MegaNatural-BP).

Cardiovascular & Skin Support - Contains polyphenols and anthocyanins shown to be beneficial for many aspects of health, including support for blood vessels, brain, and skin.*

High Orac Value - The grape extract in this product is standardized and concentrated to contain 75% polyphenols, and the grape seed extract contains 90% polyphenols. This grape seed extract is highly bioavailable with enhanced absorption due to its low molecular weight compounds. It has among the highest ORAC values of any grape seed extract currently available. (ORAC stands for "Oxygen Radical Absorbance Capacity", which is its total antioxidant capacity). *

APPLE POLYPHENOLS EXTRACT - Safe product with no side effect, this supplement belongs to the flavonoids family providing antioxidant benefits, with quercetin, anthocyanins, catechins and kaempferol.

ANTIOXIDANT - In recent studies, polyphenols from apples extended lifespan by up to 12% by stimulating antioxidant defenses. It slows down aging, balances glucose and lipids levels, and supports skin health.*

NON-GMO, GLUTEN FREE, VEGETARIAN FRIENDLY - Supersmart offers you an outstanding quality and choice of supplements for women and men, difficult to find elsewhere.

Heart & Gum Support Supplement: CoQ10 is a vital nutrient for basic energy molecule used by cells

High Energy Organs: CoQ10 is concentrated most highly in organs like brain, heart, liver and kidneys

Immune Support: CoQ10 is recommended to support healthy immune system, heart and liver functions

THE WORLD’S LEADING IMMUNE HEALTH SUPPLEMENT: Quality of Life’s AHCC (with Acylated Alpha-Glucans) supplement is a proprietary blend of mushrooms designed to help support immune health, maintain optimal T-cell and natural killer cell activity and is used by over 1,000 clinics worldwide.

SUPPORTS YOUTHFUL SKIN, ENERGY & CIRCULATION: Oligonol has shown to help support healthy skin, cardiovascular health, lessen wrinkles, reduce fatigue, increase endurance and fight the signs of aging. Just one vegetable capsule per day helps your skin, energy levels and heart.

SUPERIOR AHCC QUALITY: Quality of Life’s AHCC is the most potent mushroom extract available. Our AHCC has been researched by Yale, Harvard and used by thousands of people worldwide. Unlike other AHCC Supplements, AHCC powder, mushroom supplements, mushroom extracts and active hexose correlated compounds, Quality of Life’s AHCC’s complex is clinically studied.

✓ x3 MORE - We provide up to three times more capsules per bottle than most other supplements! At 180 capsules per bottle for a full 3 month supply, we offer excellent value. Most other supplements provide between just 60 and 120 capsules. So, why pay more for less? There is also no risk should you not be satisfied with your purchase. Suitable for vegans and vegetarians, with no GMO ingredients and free of common allergens including Gluten and Soy.

✓ MAX STRENGTH ANTIOXIDANT CAPSULES - Delivering 1450mg of potent antioxidant ingredients per serving: including 605mg of Resveratrol, 120mg of Vitamin C and 725mg of Polyphenols, our complex is one of the most powerful on the market. Unlike other Resveratrol supplements made solely from Polygonum cuspidatum (Japanese Knotweed), ours is enriched with additional ingredients for a complete, powerhouse antioxidants supplement.

✓ ADVANCED FORMULA - Our Turmeric Supplement provides 700mg of Organic Turmeric with 95% Curcuminoids as well as BioPerine in every capsule, without it Turmeric is useless as your body cannot absorb it. Also includes organic Turmeric Powder.

2-in-1 97% high purity berberine vegetarian capsules with real Ceylon cinnamon, 10:1 concentrated extracts from pure root and bark source.

240 veggie capsules per bottle, 2 capsule serving size, 10:1 berberine HCL 1,500mg from Berberis Aristata Root and 10:1 Ceylon Cinnamon 1,200mg from Cinnamon Verum Bark per dose.

A powerful health and wellness formula that combines herbal and botanical active properties for overall glucose sugar support and promoting immune, anti-aging, and longevity health.