Best Vegetarian Polyphenol Antioxidant Supplements in 2026

JUST 1 CAPSULE A DAY: They say one is the loneliest number. But when it comes to our omega 3 fish oil supplements, it's all you need for the day. Just one softgel has 1,040 milligrams of Omega-3 with 690 mg of EPA & 260 mg of DHA in the triglyceride molecular form. Sourced exclusively from wild Alaskan Pollock, our fish oil liquid has more essential fatty acids per capsule than Krill, Flaxseed or Algae Oils.

HEAD, HEART & BEYOND: Nature has given us some amazing gifts. Like Omega-3 fatty acids. Found in fish oil, these nutrients (also known as EPA and DHA) may help support cardiovascular health, brain function and the immune system - and our triple strength Omega-3 Powerhouse supplements are packed with them.

GOOD RIDDANCE, FISH BURPS: Our burpless fish oil, one-a-day Omega-3 fatty acid supplements go down without the aftertaste of some lower quality capsules due to our 10-step oil refinement process where oxygen is kept away throughout the entire process to ensure the utmost freshness and quality. Pescatarian friendly, non-GMO verified, hexane, soy and gluten free.

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.

Rebuild worn down joints with Glucosamine, Chondroitin and MSM.

Lubricate joints with Flaxseed Oil and Hyaluronic Acid to keep your joints moving smooth

Support joint health with Turmeric Root and a complex of ingredients to keep you moving longer

IMMUNE SYSTEM SUPPORT: Barlean's Olive Leaf supplements help support a healthy immune system and are rich in polyphenols and oleuropein which may help to strengthen the body’s natural defenses. Our complex is formulated with 40% standardized oleuropein making it more potent then your average olive leaf extract

POWERFUL ANTIOXIDANTS: Barlean's full-spectrum liquid olive leaf offers more antioxidants than grape seed extract, green tea, and vitamin C to help protect cells from oxidative stress and free radical damage. Olive leaf extract helps to support a healthy heart and promote a strong immune system

PREMIUM INGREDIENTS & ROBUST FLAVOR: Barlean's olive leaves are freshly picked from the Andalusian regions of Spain and fresh-pressed, capturing full nutritional potency. Every serving offers a total of 95 mg oleuropein per liquid tablespoon. Be prepared to taste the potency

BEST VALUE ON AMAZON - MAX STRENGTH 1000 MG PER SERVING - 180 CAPSULES - You receive 180 capsules of 100% natural, extra strength resveratrol for a FULL 90 DAY supply (others offer half for a more expensive price), all backed by our "best in the industry" 100% MONEY BACK GUARANTEE for 30 days. If you are dissatisfied with our product you have 30 days to return it for a full refund. *

RESVERATROL BENEFITS - Our premium, high potency resveratrol is a powerful anti-oxidant to help improve cardiovascular health. Resveratrol helps you naturally maintain your youthful vigor & appearance - and most importantly support your joint & nervous system. Resveratrol is a proven antioxidant to promote overall health and well being. *

100% NATURAL RESVERATROL - Our top product delivers 1000mg of 100% natural resveratrol powder per daily intake (500mg per capsule) (8% potency yield). We are offering a potent formula sourced from premium, polyphenol rich natural ingredients. Resveratrol is often sourced from pure red grape skin, juice, berries, red wine extract, blueberries, and pure Japanese knotweed (polygonum cuspidatum). *

Freshly Made - Olive leaf extract has been used for hundreds of years to support health. Barlean's olive leaves are freshly picked from the Andalusian regions of Spain and fresh-pressed, capturing full nutritional potency.

Powerful Nutrients - Our full-spectrum capsules offer more antioxidants than grape seed extract, green tea and vitamin C. Olive leaf extract helps to support a strong immune system, relieves common cold symptoms and protects against free radical damage.*

Premium Ingredients - Every serving offers a total of 90 mg. oleuropein in an easy-to-use, super-concentrated mini-softgel.

IMMUNE SUPPORT: Barlean's Olive Leaf pills help support a healthy immune system and are rich in polyphenols and oleuropein which may help to strengthen the body’s natural defenses. Our complex is formulated with 40% standardized oleuropein making it more potent then your average olive leaf extract

POWERFUL ANTIOXIDANTS: Barlean's full-spectrum capsules offer more antioxidants than grape seed extract, green tea and vitamin C to help protect cells from oxidative stress and free radical damage. Olive leaf extract helps to support a healthy heart and promote a strong immune system

PREMIUM INGREDIENTS: Barlean's olive leaves are freshly picked from the Andalusian regions of Spain and fresh-pressed, capturing full nutritional potency. Every serving offers a total of 90 mg oleuropein in 2 easy-to-swallow, super-concentrated mini-softgels

Get Back to Normal Fast – MaxX Labs Advanced Olive Leaf Extract Supplement contains a potent 750 mg per capsule of pure, natural Olive Leaf 20% SE (150mg Oleuropein). People are known to take Olive Leaf Extract for its support of the immune system, heart & cardiovascular health, glucose metabolism and skin health, anti oxidant / oxidative qualities and even share it with their kids.

Great Value for Your Money - Each capsule provides 750mg of concentrated Olive Leaf Extract straight to your intestinal tract for maximum absorption of this proven, powerful supplement. Each bottle contains 120 veggie capsules of pure, natural, Olive Leaves Extract - unlike other brands that claim to be organic, offering proprietary blends, chewable tablets, tincture, drops, and spray, or give you lower potency formulas at similar or greater cost.

Superior Antioxidant Properties - Oleuropein is the best known active compound of cold pressed olive leaf only (not olive oil liquid from olives) and has been attributed with numerous health promoting properties linked to its antioxidant activity. The polyphenols present in olive leaves are potent polyphenol antioxidants thought to protect your cells against the effects of free radicals — molecules produced when your body breaks down food or is exposed to tobacco smoke and radiation.

Advanced Resveratrol Supplement with Berberine Supplement - Our product takes Berberine Powder Extract and Resveratrol Nutritional Supplements and combines them with a Quercetin Supplement and Grapeseed Extract and the results are amazing. Normal Resveratrol Supplements contain smaller equivalent dosages like Resveratrol 1000mg, Resveratrol 2000mg, or Resveratrol 500mg. However, Clean Nutra has officially created an even more potent all in one polyphenols supplement.

The All In One Grape Seed Extract Capsules & Berberine Supplements You've Been Looking For - Clean Nutra Renouth provides various full-dose products in one complex containing a full Resveratrol Berberine, Quercetin Supplements, Grapeseed Extract Capsules, Acai Extract, Noni Extract, Blueberry Extract, Alfalfa Extract, and Pomegranate in a convenient 2 capsule dosage. Finally, a stronger supplement than berberine 500mg, quercetin 500mg, or berberine 1000mg have been packed into one solution.

Introducing the Renouth All In One Supplement - In addition to containing Grapefruit Seed Extract Capsules, our formula also contains a whopping equivalent of 6000mg of Quercetin Powder. This supplement could be a powerful alternative to Resveratrol Liquid, Berberine Tea, Grape Seed Oil, Quercetin Gummies and Resveratrol Gummies. Not your typical  Resveratrol Serum, Quercetin 1000mg, Berberine 1500mg, Trans Resveratrol Supplement or Berberine HCL.

Quercitin Liquid Drops: If you’re looking for a bioflavonoid that can support your body on a cellular level, reach for these lemon-flavored Quercetin Liquid Drops! Available in a natural lemon flavor, add these Quercetin Liquid Drops to your daily supplement routine.

Multiple Benefits: Quercetin is a bioflavonoid found in many plants, including citrus, berries, leafy vegetables, herbs, spices, legumes, tea, and cocoa. It also may aid in the seasonal immune response and may help support histamine levels. Support inflammation health, normal cardiac function, cellular integrity, and more!

Vegan Formula: Per Serving 6.5 (4 mL): Quercetin (as Quercetin Dihydrate): 500 mg. Other Ingredients: Organic Vegetable Glycerin, Organic MCT Oil, Purified Water, Less than 2% of: Sunflower Lecithin, Acacia Gum, Natural Flavors, Citric Acid, and Potassium Sorbate.

Cellular health: Resveratrol is a powerful antioxidant that works on the cellular level improving the health of all major functions in your body, including heart health and circulation that can help you not only feel better physically and have more energy but also comfort knowing that you’re taking care of body and health.

Target high blood pressure: Resveratrol inhibits your body from turning glucose into sorbitol, which can create cell-damaging stress. Resveratrol also activates AMPK which is a protein that aids the body in metabolizing glucose.

Premium Ingredients: Each serving of our Ultra Premium Resveratrol Supplements includes the optimal amount of Trans-Resveratrol with the goal of giving you the maximum health benefits including normal blood pressure and improved cognition. Resveratrol is a potent extract sourced from premium polyphenol-rich natural ingredients and is often sourced from pure red grape skin, juice, berries, red wine, blueberries, goji berries, and pure Japanese knotweed (polygonum).

ULTIMATE ENERGIZING FOCUS: Lemme Matcha and Focus Bundle contains 2 delicious gummy varieties designed to promote cellular energy and metabolism with B12 and CoQ10 and support improved focus, concentration and attention with clinically-studied nutrient Cognizin Citicoline.*

CELLULAR ENERGY: Lemme Matcha is formulated with Vitamin B12 and antioxidant CoQ10 to supports cellular energy, energy metabolism and nervous system health.* Plus whole-leaf green tea matcha provides chlorophyll, theanine and polyphenol properties. 60 gummies with a

FEED YOUR BRAIN: Lemme Focus with clinically-studied Cognizin Citicoline to support improved focus and concentration.* Plus Vitamin B12 for overall brain health and Lion's Mane & MCT Oil. Focus better and stay more alert through the day.* 50 caffeine-free, strawberry flavored

OLIVE OIL SUPPLEMENTS Organic PowerUp Pearls are made from all the goodness of the desert’s olive trees, packed with the powerful polyphenols of the olive leaf extract liquid, the olive oil and the olive fruit itself. Potent antioxidants, hydroxytyrosol polyphenols provide robust immune system support, boost skin elasticity and health, may lower saturated fat levels, and help shield the body from free radical damage.

HOW TO USE One teaspoon of these unique pearls contains the same amount of hydroxytyrosol antioxidants as 10 liters of olive oil. Take on a spoon as a daily supplement, or sprinkle these delicious pearls over salads, sandwiches or proteins. You can also use them as a facial scrub, an organic face mask for your skin. The antioxidants help prevent free radicals from damaging your body, leaving you with rejuvenated skin!

ANTIOXIDANT SUPPLEMENT Polyphenols are nature’s strongest defense system against environmental pollution, smoke, poor diet, pesticides and more. These powerful antioxidants support cellular health, aid in reducing LDL oxidation, and boost cardiovascular health. OLIVIE supplements are a great way to increase your daily intake of this naturally powerful immune system booster!

OLIVE OIL SUPPLEMENTS Organic PowerUp Pearls are made from all the goodness of the desert’s olive trees, packed with the powerful polyphenols of the olive leaf extract liquid, the olive oil and the olive fruit itself. Potent antioxidants, hydroxytyrosol polyphenols provide robust immune system support, boost skin elasticity and health, may lower saturated fat levels, and help shield the body from free radical damage.

HOW TO USE One teaspoon of these unique pearls contains the same amount of hydroxytyrosol antioxidants as 10 liters of olive oil. Take on a spoon as a daily supplement, or sprinkle these delicious pearls over salads, sandwiches or proteins. You can also use them as a facial scrub, an organic face mask for your skin. The antioxidants help prevent free radicals from damaging your body, leaving you with rejuvenated skin!

ANTIOXIDANT SUPPLEMENT Polyphenols are nature’s strongest defense system against environmental pollution, smoke, poor diet, pesticides and more. These powerful antioxidants support cellular health, aid in reducing LDL oxidation, and boost cardiovascular health. OLIVIE supplements are a great way to increase your daily intake of this naturally powerful immune system booster!

POLYPHENOLS SUPPLEMENT OLIVIE Force/Rich organic olive leaf and olive fruit capsules are made from all the goodness of the desert’s olive trees. Our supplement is packed with the powerful polyphenols of the olive leaf, the olive oil and the olive fruit itself. Polyphenols are potent antioxidants, benefitting your body in every way possible.

ANTIOXIDANT IMMUNE SUPPLEMENT Polyphenols are nature’s strongest defense against oxidation caused by pollution, smoke, poor diet, pesticides and more. These powerful antioxidants boost health on a cellular level, aiding in reducing LDL oxidation, and supporting heart health. OLIVIE supplements are a great way to increase your daily intake of this naturally powerful health booster!

DESERT OLIVE TREE BENEFITS Eight times clinically tested, and backed by superior R&D, OLIVIE Force/Rich is naturally obtained, with all the purity of the desert and with no additives or solvents. This olive tree powder is a rich and natural aggregate of phenol components (hydroxytyrosol, tyrosol, oleuropein, flavonoids, caffein acid, and cinnamic acid), having powerful antioxidant properties that protect, defend, sooth and fortify.

SOURCE OF ANTIOXIDANT: Our blend of Trans-Resveratrol, Vitamin C, Organic Green Tea, Grape Seed, and Acai Fruit Extract deliver anti-oxidants in every capsule. This antioxidant supplement helps free radical damage and supports joint,and vascular health.

ADVANTAGES OF RESVERATROL: Resveratrol is a part of a group of compounds called polyphenols found in the skin of red grape seeds, blueberries, raspberries, mulberries, and peanuts with antioxidant properties. Our high-potency Resveratrol supports overall well-being. It is an immune system enhancer that can help increase your energy and endurance.

QUALITY OF INGREDIENTS: Theingredients of our herbal supplement come from sources rich in polyphenols --Trans-Resveratrol from the Polygonum Cuspidatum (Japanese Knotweed) Root Extract, Green Tea Leaf Extract and Grapeseed Extract full of potent polyphenols, along with Acai Fruit Extract make a quality product.