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.

Buffered Vitamin C 1250 mg w/Bioflavonoids label

Buffered Vitamin C 1250 mg w/Bioflavonoids

Wonder Laboratories

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Solaray

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Whole Foods

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Country Life

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Schiff

Botanicals with NutrientsTablet or PillOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Solaray

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Country Life

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Bluebonnet

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Bluebonnet

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Metabolic Maintenance

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 500 mg label

Buffered Vitamin C 500 mg

Metabolic Maintenance

Other CombinationsCapsuleOn Market
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Buffered Vitamin C 800 mg label

Buffered Vitamin C 800 mg

Solaray

Single Vitamin & MineralCapsuleOn Market
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Buffered Vitamin C Cassava Source label

Buffered Vitamin C Cassava Source

Allergy Research Group

Other CombinationsCapsuleOn Market
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Buffered Vitamin C Chewable 485 mg Natural Orange Flavor label

Buffered Vitamin C Chewable 485 mg Natural Orange Flavor

Solaray

Other CombinationsOther (e.g. tea bag)On Market
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Buffered Vitamin C + Citrus Bioflavonoids label

Buffered Vitamin C + Citrus Bioflavonoids

Jarrow Formulas

Other CombinationsTablet or PillOn Market
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Buffered Vitamin C Crystals label

Buffered Vitamin C Crystals

Ecological Formulas

Multivitamins (MVM)LiquidOn Market
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Buffered Vitamin C Crystals label

Buffered Vitamin C Crystals

Ecological Formulas

Multivitamins (MVM)LiquidOn Market
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Buffered Vitamin C Powder label

Buffered Vitamin C Powder

Life Extension

Other CombinationsPowderOn Market
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Buffered Vitamin C Powder label

Buffered Vitamin C Powder

Martin Avenue Pharmacy

Other CombinationsPowderOn Market
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Buffered Vitamin C Powder label

Buffered Vitamin C Powder

Allergy Research Group

Other CombinationsPowderOn Market
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Buffered Vitamin C Powder label

Buffered Vitamin C Powder

NutriCology

Other CombinationsPowderOn Market
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Buffered Vitamin C Powder label

Buffered Vitamin C Powder

Groovy Bee

Single Vitamin & MineralPowderOn Market
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Buffered Vitamin C Powder label

Buffered Vitamin C Powder

Allergy Research Group

Other CombinationsPowderOn Market
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Buffered Vitamin C Powder label

Buffered Vitamin C Powder

NutriCology

Other CombinationsPowderOn Market
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