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 AllerReLeaf label

Quercetin AllerReLeaf

Herbs Etc.

Other CombinationsTablet or PillOn Market
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Quercetin AllerReLeaf label

Quercetin AllerReLeaf

Herbs Etc.

Other CombinationsTablet or PillOn Market
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Quercetin AllerReLeaf label

Quercetin AllerReLeaf

Herbs Etc.

Other CombinationsTablet or PillOn Market
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Quercetin and Pterostilbene Advanced label

Quercetin and Pterostilbene Advanced

Dr. Mercola

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin and Pterostilbene Advanced label

Quercetin and Pterostilbene Advanced

Dr. Mercola

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin- Ascorbate Powder label

Quercetin- Ascorbate Powder

Designs for Health

Other CombinationsPowderOn Market
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Quercetin Berberine 500 mg label

Quercetin Berberine 500 mg

AN Amazing Nutrition Amazing Formulas

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Berberine 500 mg label

Quercetin Berberine 500 mg

AN Amazing Nutrition Amazing Formulas

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Bioflavonoids label

Quercetin Bioflavonoids

Allergy Research Group

Other CombinationsCapsuleOn Market
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Quercetin Bioflavonoids label

Quercetin Bioflavonoids

NutriCology

Other CombinationsCapsuleOn Market
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Quercetin Bioflavonoids label

Quercetin Bioflavonoids

NutriCology

Other CombinationsCapsuleOn Market
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Quercetin & Bromelain label

Quercetin & Bromelain

Higher Nature

Other CombinationsTablet or PillOn Market
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Quercetin & Bromelain label

Quercetin & Bromelain

DC

Other CombinationsCapsuleOn Market
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Quercetin & Bromelain label

Quercetin & Bromelain

Swanson

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin & Bromelain label

Quercetin & Bromelain

DC

Other CombinationsCapsuleOn Market
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Quercetin & Bromelain label

Quercetin & Bromelain

Sunergetic

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin + Bromelain label

Quercetin + Bromelain

X Gold Health

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin + Bromelain label

Quercetin + Bromelain

Luma Nutrition

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Bromelain label

Quercetin Bromelain

AN Amazing Nutrition Amazing Formulas

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Bromelain label

Quercetin Bromelain

AN Amazing Nutrition Amazing Formulas

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Bromelain label

Quercetin Bromelain

Herbal Secrets

Other CombinationsCapsuleOn Market
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Quercetin Bromelain label

Quercetin Bromelain

Wonder Laboratories

Other CombinationsCapsuleOn Market
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Quercetin Bromelain label

Quercetin Bromelain

Vitamatic

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Quercetin Bromelain label

Quercetin Bromelain

Herbal Secrets

Other CombinationsCapsuleOn Market
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Immune Support Supplements Database - Page 240 (7,500+ Products) | VitaSuppTrack