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.

Vitamin C 1000 mg label

Vitamin C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

GNC

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Solgar

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

GNC

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Healthy Origins

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

The Vitamin Shoppe

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

up&up

Other CombinationsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Wonder Laboratories

Other CombinationsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Natural Factors

Botanicals with NutrientsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

OL Olympian Labs

Other CombinationsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Sports Research

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Rexall

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

Vitamin C 1000 mg

LuckyVitamin

Other CombinationsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Harmonia

Botanicals with NutrientsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

LuckyVitamin

Other CombinationsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Healthy Origins

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Solgar

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

LuckyVitamin

Other CombinationsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

NutraBio

Botanicals with NutrientsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Exchange Select

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Nature Made

VitaminsTablet or PillOn Market
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