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 Supplement Drops Citrus Flavored label

Vitamin C Supplement Drops Citrus Flavored

up&up

Single Vitamin & MineralLozengeOn Market
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Vitamin C Sustained Release 1000 mg label

Vitamin C Sustained Release 1000 mg

BIOVEA

Other CombinationsTablet or PillOn Market
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Vitamin C Tablets Natural Lemon Flavor label

Vitamin C Tablets Natural Lemon Flavor

Hyland's Baby

VitaminsTablet or PillOn Market
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Vitamin C Timed Release 1000 mg label

Vitamin C Timed Release 1000 mg

Freeda

VitaminsTablet or PillOn Market
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Vitamin C Timed Release 1000 mg label

Vitamin C Timed Release 1000 mg

Freeda

VitaminsTablet or PillOn Market
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Vitamin C Whole Food Gummies label

Vitamin C Whole Food Gummies

NATURELO Premium Supplements

Single Vitamin & MineralGummy or JellyOn Market
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Vitamin C With 20 mg Rose Hips Orange label

Vitamin C With 20 mg Rose Hips Orange

Nutrition Now

Botanicals with NutrientsGummy or JellyOn Market
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Vitamin C with Acerola Cherries label

Vitamin C with Acerola Cherries

NATURELO Premium Supplements

Other CombinationsCapsuleOn Market
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Vitamin C with Bioflavinoids label

Vitamin C with Bioflavinoids

Dr. Rico Perez

Other CombinationsCapsuleOn Market
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Vitamin C with Bioflavonoids label

Vitamin C with Bioflavonoids

Vital Nutrients

Other CombinationsCapsuleOn Market
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Vitamin C with Bioflavonoids label

Vitamin C with Bioflavonoids

Vital Nutrients

Other CombinationsCapsuleOn Market
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Vitamin C with Bioflavonoids label

Vitamin C with Bioflavonoids

New Sun

Other CombinationsCapsuleOn Market
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Vitamin C with Bioflavonoids label

Vitamin C with Bioflavonoids

Bronson

Other CombinationsPowderOn Market
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Vitamin C with Bioflavonoids 1000 mg label

Vitamin C with Bioflavonoids 1000 mg

Nature's Way

Other CombinationsCapsuleOn Market
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Vitamin C with Bioflavonoids 1000 mg label

Vitamin C with Bioflavonoids 1000 mg

Nature's Way

Botanicals with NutrientsCapsuleOn Market
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Vitamin C With Bioflavonoids 500 mg label

Vitamin C With Bioflavonoids 500 mg

Vital Nutrients

Other CombinationsCapsuleOn Market
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Vitamin C With Calcium Ascorbate 500 mg label

Vitamin C With Calcium Ascorbate 500 mg

Bronson Laboratories

Single Vitamin & MineralTablet or PillOn Market
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Vitamin C with Calcium Magnesium and Potassium label

Vitamin C with Calcium Magnesium and Potassium

Bronson

Multivitamins (MVM)PowderOn Market
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Vitamin C With Citrus Bioflavonoids 1000 mg label

Vitamin C With Citrus Bioflavonoids 1000 mg

Nature's Harmony

Other CombinationsTablet or PillOn Market
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Vitamin C with Citrus Bioflavonoids 500 mg label

Vitamin C with Citrus Bioflavonoids 500 mg

Bronson

Other CombinationsTablet or PillOn Market
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Vitamin C With Citrus Bioflavonoids 500 mg label

Vitamin C With Citrus Bioflavonoids 500 mg

Bronson

Other CombinationsTablet or PillOn Market
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Vitamin C with Citrus Bioflavonoids & Rose Hips label

Vitamin C with Citrus Bioflavonoids & Rose Hips

AN Amazing Nutrition Amazing Formulas

Other CombinationsCapsuleOn Market
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Vitamin C with Citrus Bioflavonoids & Rose Hips label

Vitamin C with Citrus Bioflavonoids & Rose Hips

AN Amazing Nutrition Amazing Formulas

Other CombinationsSoftgel CapsuleOn Market
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Vitamin C with Dihydroquercetin 1000 mg label

Vitamin C with Dihydroquercetin 1000 mg

Life Extension

Other CombinationsTablet or PillOn Market
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