Immune Support

Supports immune defenses — e.g. vitamin C, zinc, elderberry, echinacea.

7,563 on-market products · include off-market

Immune support supplements are formulated to help maintain the body's natural defenses, especially during seasonal changes or periods of physical stress. This section of the database collects dietary supplement labels whose primary marketed use relates to immune health. Common active ingredients include Vitamin C, Zinc, Vitamin D, Elderberry, and Echinacea, often combined in single products or as part of broader wellness blends. Many labels also list supporting nutrients such as Selenium, Quercetin, and probiotics. Browsing here lets you compare ingredient amounts, percentage Daily Value (%DV), and serving sizes across thousands of products as recorded in the NIH Dietary Supplement Label Database (DSLD). This information is provided for reference and education only and is not medical advice; always read the full product label and consult a qualified healthcare provider before starting any supplement.

Quercetin Complex 625 mg label

Quercetin Complex 625 mg

Mason Natural

Other CombinationsTablet or PillOn Market
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Quercetin + D3 label

Quercetin + D3

Country Life

Other CombinationsCapsuleOn Market
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Quercetin Dihydrate 1000 mg Capsules label

Quercetin Dihydrate 1000 mg Capsules

BulkSupplements.com

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Dihydrate (250 mg) label

Quercetin Dihydrate (250 mg)

BulkSupplements.com

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Dihydrate (250 mg) label

Quercetin Dihydrate (250 mg)

BulkSupplements.com

Non-Nutrient / Non-BotanicalPowderOn Market
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Quercetin Dihydrate 500mg plus Zinc 25mg label

Quercetin Dihydrate 500mg plus Zinc 25mg

Puritan's Pride

Other CombinationsCapsuleOn Market
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Quercetin Dihydrate 650 mg with Vitamin D 20 mcg (800 IU) label

Quercetin Dihydrate 650 mg with Vitamin D 20 mcg (800 IU)

Puritan's Pride

Other CombinationsCapsuleOn Market
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Quercetin Dihydrate plus Bromelain & Vitamin C label

Quercetin Dihydrate plus Bromelain & Vitamin C

Puritan's Pride

Other CombinationsCapsuleOn Market
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Quercetin Dihydrate plus Vitamin C label

Quercetin Dihydrate plus Vitamin C

Puritan's Pride

Other CombinationsCapsuleOn Market
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Quercetin Dihydrate plus Vitamin C label

Quercetin Dihydrate plus Vitamin C

Puritan's Pride

Other CombinationsCapsuleOn Market
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Quercetin Dihydrate Powder 1000 mg label

Quercetin Dihydrate Powder 1000 mg

BulkSupplements.com

Non-Nutrient / Non-BotanicalPowderOn Market
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Quercetin Dihydrate Powder 1000 mg label

Quercetin Dihydrate Powder 1000 mg

BulkSupplements.com

Non-Nutrient / Non-BotanicalPowderOn Market
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Quercetin Dihydrate Powder 1000 mg label

Quercetin Dihydrate Powder 1000 mg

BulkSupplements.com

Non-Nutrient / Non-BotanicalPowderOn Market
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Quercetin Dihydrate Powder 1000 mg label

Quercetin Dihydrate Powder 1000 mg

BulkSupplements.com

Non-Nutrient / Non-BotanicalPowderOn Market
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Quercetin Dihydrate Pure label

Quercetin Dihydrate Pure

PureBulk.com

Non-Nutrient / Non-BotanicalPowderOn Market
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Quercetin Extract label

Quercetin Extract

Herbadiet

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Extract label

Quercetin Extract

Herbadiet

Non-Nutrient / Non-BotanicalPowderOn Market
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Quercetin Flavonoid label

Quercetin Flavonoid

Eclectic Herb

Other CombinationsPowderOn Market
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Quercetin Flavonoid 1000 mg label

Quercetin Flavonoid 1000 mg

LifeSeasons Essentials

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin & Green Tea Extract Sensitive Skin-Care Formula label

Quercetin & Green Tea Extract Sensitive Skin-Care Formula

CATALO

Other CombinationsCapsuleOn Market
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Quercetin Gummies 250 mg Mango label

Quercetin Gummies 250 mg Mango

Trace Minerals

Other CombinationsGummy or JellyOn Market
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Quercetin Gummies Lemon Flavored label

Quercetin Gummies Lemon Flavored

Nature's Way

Other CombinationsGummy or JellyOn Market
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Quercetin Gummies Lemon Flavored label

Quercetin Gummies Lemon Flavored

Nature's Way

Other CombinationsGummy or JellyOn Market
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Quercetin Immune+ label

Quercetin Immune+

Garden of Life Dr. Formulated

Other CombinationsTablet or PillOn Market
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Immune Support Supplements Database - Page 242 (7,500+ Products) | VitaSuppTrack