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.

Buffered Vitamin C label

Buffered Vitamin C

Higher Nature

VitaminsPowderOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Integrative Therapeutics

Single Vitamin & MineralCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Integrative Therapeutics

Other CombinationsCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Allergy Research Group

Other CombinationsCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Nutrition Rescue

Single Vitamin & MineralCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Integrative Therapeutics

Multivitamins (MVM)CapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Nutrition Rescue

Single Vitamin & MineralPowderOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Freeda

Single Vitamin & MineralCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

NutriBiotic Immunity

Other CombinationsCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

NutriCology

Other CombinationsCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Dr. Clark Research Association Dr. Clark Zentrum

Single Vitamin & MineralCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

Freeda

Single Vitamin & MineralCapsuleOn Market
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Buffered Vitamin C label

Buffered Vitamin C

NutriBiotic Immunity

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 1000 label

Buffered Vitamin C 1000

Vinco

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 1000 label

Buffered Vitamin C 1000

Vinco

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Universal Nutrition / Universal Naturals

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Metabolic Maintenance

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Metabolic Maintenance

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Bluebonnet

Other CombinationsOther (e.g. tea bag)On Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Country Life

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Country Life

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Martin Avenue Pharmacy

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 1000 mg label

Buffered Vitamin C 1000 mg

Country Life

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 1250 mg w/Bioflavonoids label

Buffered Vitamin C 1250 mg w/Bioflavonoids

Wonder Laboratories

Other CombinationsTablet or PillOn Market
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