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.

C-1000 Complex 1000 mg label

C-1000 Complex 1000 mg

The Vitamin Shoppe

Other CombinationsTablet or PillOn Market
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C-1000 Complex 1000 mg label

C-1000 Complex 1000 mg

The Vitamin Shoppe

Other CombinationsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

21st Century

VitaminsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

The Vitamin Shoppe

VitaminsCapsuleOn Market
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C 1000 mg label

C 1000 mg

The Vitamin Shoppe

VitaminsCapsuleOn Market
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C 1000 mg label

C 1000 mg

Nature's Bounty

VitaminsOther (e.g. tea bag)On Market
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C 1000 mg label

C 1000 mg

Swanson

Other CombinationsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

Sundown Naturalist

VitaminsOther (e.g. tea bag)On Market
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C 1000 mg label

C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

21st Century

Single Vitamin & MineralTablet or PillOn Market
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C 1000 mg label

C 1000 mg

21st Century

Single Vitamin & MineralTablet or PillOn Market
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C 1000 mg label

C 1000 mg

Kirkland Signature

Other CombinationsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

Mason Natural

VitaminsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

Nature's Bounty

VitaminsOther (e.g. tea bag)On Market
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C 1000 mg label

C 1000 mg

Thompson

Other CombinationsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

Nature's Bounty

VitaminsOther (e.g. tea bag)On Market
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C 1000 mg label

C 1000 mg

Thompson

Other CombinationsCapsuleOn Market
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C 1000 mg label

C 1000 mg

Swanson

Botanicals with NutrientsCapsuleOn Market
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C 1000 mg label

C 1000 mg

Swanson

Botanicals with NutrientsCapsuleOn Market
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C 1000 mg label

C 1000 mg

Swanson

Botanicals with NutrientsTablet or PillOn Market
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C 1000 mg label

C 1000 mg

The Vitamin Shoppe

VitaminsCapsuleOn Market
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C 1000 mg label

C 1000 mg

Thompson

Single Vitamin & MineralTablet or PillOn Market
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