Best Flavonoid Antioxidant Supplements Under $50 (2026)
We ranked supplements under $50 by a composite value score using ingredient dose, complementary actives, delivery form, and cost per serving
The Verdict
- Best Overall: Quercetin with bromelain, vitamin C and zinc - 1215mg per serving — Best for immune support: high 1,215 mg per serving with bromelain, vitamin C and zinc for combined absorption and defense
- Best Value: Arymar Diosmin Plus 500 - Circulatory support supplement — Best for circulatory health: diosmin‑centered formula geared toward vein and circulatory support with targeted flavonoids
This roundup identifies flavonoid antioxidant supplements under $50 selected for balanced value, formulation, and delivery technology. Picks were chosen by scoring ingredient dose, complementary nutrients (like bromelain, vitamin C, zinc), branded delivery forms, and overall cost-per-serving
Top Picks
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1
Best Overall Quercetin with bromelain, vitamin C and zinc - 1215mg per serving
Best for immune support: high 1,215 mg per serving with bromelain, vitamin C and zinc for combined absorption and defense
Quercetin phytosome capsules with ginger, bromelain, zinc picolinate and vitamin C from organic sources. Supports immune health and antioxidant activity, with positive feedback on whole-food ingredients and ease of swallowing
- quercetin phytosome 500mg
- bromelain 200mg
- zinc picolinate 15mg
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2
Quercetin 1000mg vegan capsules (pack of 2) - Doctor Recommended Supplements
Best for plant‑based users: high‑dose vegan quercetin capsules designed for straightforward antioxidant and immune support
Quercetin 1000mg per serving in vegan capsules. Supports immune system and inflammation response. Customers note ease of swallowing and good value
- 1000 mg per serving
- vegan capsule format
- pack of 2
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3
Quercetin 250 mg with QuerceFIT (no bromelain & zinc) - 60 capsules
Best for focused quercetin dosing: phytosome formulation with 250 mg capsules for steady antioxidant support
Quercetin 250 mg supplement with QuerceFIT for enhanced absorption. Supports immune response and may ease allergy symptoms; valued for high-quality ingredients and easy swallowing, with no bromelain or zinc
- phytosome-enhanced absorption
- Sophora japonica-derived quercetin
- no bromelain or zinc
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4
Best Value Arymar Diosmin Plus 500 - Circulatory support supplement
Best for circulatory health: diosmin‑centered formula geared toward vein and circulatory support with targeted flavonoids
Diosmin-based circulatory support supplement with 500mg per tablet. May promote vein health and leg comfort. Customers note positive quality but mixed views on ingredient list
- high-dosage diosmin per tablet
- designed for circulatory health
- user-perceived quality
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5
Quercetin 500mg with Bromelain | Bioactive Phytosome Complex
Best for absorption focus: quercetin with bromelain in a bioactive phytosome complex to enhance uptake
Quercetin 500mg capsules enhanced with phospholipid binding for improved absorption. Supports seasonal allergies and immune health with all-natural ingredients. Customer notes include effective absorption and some stomach sensitivity for a subset of users
- 20x higher absorption vs regular quercetin
- phospholipid-bound bioavailability
- bioactive phytosome complex
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6
Solaray Mega Quercetin with Bromelain, Vitamin C and Bioflavonoids
Best classic formula: blended quercetin with bromelain, vitamin C and bioflavonoids for broad antioxidant support
Antioxidant supplement featuring quercetin with bromelain, vitamin C and bioflavonoids to support immune function and heart health. Customers report improved allergy symptoms and respiratory health
- 600 mg quercetin per serving
- includes vitamin C and rutin
- customers report allergy relief
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7
Quercetin with bromelain, vitamin C, zinc & nettle
Best combined support: quercetin paired with bromelain, vitamin C, zinc and nettle for multi‑ingredient immune support
Quercetin supplement with a proprietary blend including bromelain, stinging nettle, vitamin C, D, and zinc. Supports immune system and helps with inflammation, per customer feedback
- quercetin 500mg
- bromelain included
- vitamin C and zinc combo
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8
Quercetin LipoMicel matrix softgels, 60 count
Best for liposomal delivery: LipoMicel softgels designed to improve quercetin bioavailability for immune and heart health
Quercetin supplement with lipomicel matrix for enhanced absorption. Supports immune and heart health; easy to take as a daily softgel. Customer note: effective for immune function and absorption
- lipomicel matrix for absorption
- supports immune function
- heart and capillary health support
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9
Diosmin 500 with Horse Chestnut, Butcher's Broom & Hesperidin - Dietary Supplement
Best flavonoid blend: diosmin combined with horse chestnut, butcher's broom and hesperidin for comprehensive vein support
Dietary supplement with natural botanicals like diosmin, hesperidin, horse chestnut, red grape and butcher's broom. Supports general wellness and circulation; customers note effectiveness and quality
- combination of diosmin and hesperidin
- includes horse chestnut and butcher's broom
- plant-based antioxidants
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10
Liposomal Artemisinin with quercetin phytosome
Best for specialized delivery: liposomal artemisinin paired with a quercetin phytosome to target absorption and potency
Liposome-encapsulated artemisinin supplement with quercetin phytosome for enhanced absorption. Helps support antioxidant intake with improved gut delivery
- 600 mg liposomal artemisinin delivery
- 200 mg quercetin phytosome
- softgel format