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

Foods Plus

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

The Vitamin Shoppe

Botanicals with NutrientsSoftgel CapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Well At Walgreens

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

Vitamin C 1000 mg

Geri-Care

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Nature's Lab

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Good State

Botanicals with NutrientsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

up&up

Botanicals with NutrientsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Carlson

VitaminsCapsuleOn 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

Bluebonnet

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Sundown

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

Vitamin C 1000 mg

AN Amazing Nutrition Amazing Formulas

VitaminsPowderOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Bluebonnet

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

PurHEALTH

Botanicals & HerbsCapsuleOn 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

GNC

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

Vitamin C 1000 mg

Spring Valley

Other CombinationsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Radiance Platinum

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Dr. Clark Research Association Dr. Clark Zentrum

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Higher Nature

VitaminsTablet or PillOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Vital Nutrients

VitaminsCapsuleOn Market
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Vitamin C 1000 mg label

Vitamin C 1000 mg

Healthy Accents

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

Puritan's Pride

Other CombinationsTablet or PillOn Market
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