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 500 mg label

Vitamin C 500 mg

Bronson

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Bronson

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

up&up

Other CombinationsOther (e.g. tea bag)On Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Nature Made

VitaminsOther (e.g. tea bag)On Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Natural Nutra

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Exchange Select

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Exchange Select

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Nature Made

VitaminsOther (e.g. tea bag)On Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Schiff

Botanicals with NutrientsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Nature Made

VitaminsOther (e.g. tea bag)On Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Freeda

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Mountain Meadow Herbs

VitaminsCapsuleOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Freeda

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Health Thru Nutrition

VitaminsCapsuleOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Health Thru Nutrition

VitaminsCapsuleOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Sundown Naturals

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

NewtonEverett

VitaminsCapsuleOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Natural Factors

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

GNC

Single Vitamin & MineralOther (e.g. tea bag)On Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Wonder Laboratories

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Basic Vitamins

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

GNC

VitaminsCapsuleOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Basic Vitamins

VitaminsTablet or PillOn Market
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Vitamin C 500 mg label

Vitamin C 500 mg

Bluebonnet

VitaminsCapsuleOn Market
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