Best Flavonoid Antioxidant Supplements Under $100 (2026)
We ranked supplements under $100 by a value score combining flavonoid dose per serving, complementary ingredients (bromelain, vitamin C, zinc), user ratings, and price-to-serving ratio
Top Picks
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1
Quercetin with bromelain, vitamin C and zinc - 1215mg per serving
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
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
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
Arymar Diosmin Plus 500 - Circulatory support supplement
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
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
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
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
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
Quercetin with vitamin C and zinc - 6 month supply
Quercetin + vitamin C + zinc with bromelain for immune support. Easy to swallow and gentle on the stomach, with additional vitamin D3 noted by customers as value-added
- quercetin with bromelain
- includes vitamin C and zinc
- vegan, gluten-free, non-GMO
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10
Diosmin 500 with Horse Chestnut, Butcher's Broom & Hesperidin - Dietary Supplement
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