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.

Ultimate Flora Advanced Immunity label

Ultimate Flora Advanced Immunity

Renew Life

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Ultimate Flora Immune Probiotic 25 Billion label

Ultimate Flora Immune Probiotic 25 Billion

Renew Life

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Ultimate Flora Probiotic Advanced Immunity 10 Billion label

Ultimate Flora Probiotic Advanced Immunity 10 Billion

Renew Life

Other CombinationsCapsuleOn Market
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Ultimate IgG label

Ultimate IgG

Just Thrive

Other CombinationsCapsuleOn Market
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Ultimate IgG label

Ultimate IgG

Just Thrive

Other CombinationsCapsuleOn Market
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Ultimate Immune Defense label

Ultimate Immune Defense

Swanson

Botanicals with NutrientsCapsuleOn Market
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Ultimate Immune Support label

Ultimate Immune Support

Further Food

Other CombinationsCapsuleOn Market
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Ultimate Immune Support label

Ultimate Immune Support

Further Food

Other CombinationsCapsuleOn Market
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Ultimate Immunity label

Ultimate Immunity

Ombre

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Ultimate Lung & Bronchial Support label

Ultimate Lung & Bronchial Support

Dr. Sinatra

Other CombinationsSoftgel CapsuleOn Market
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Ultimate Respiratory Defense label

Ultimate Respiratory Defense

Swanson

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Ultimate Zinc-C label

Ultimate Zinc-C

NOW

Botanicals with NutrientsLozengeOn Market
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Ultimate Zinc-C label

Ultimate Zinc-C

NOW

Botanicals with NutrientsLozengeOn Market
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Ultimate Zinc Concentrate label

Ultimate Zinc Concentrate

Complete H2O Minerals

MineralsLiquidOn Market
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Ultra-C label

Ultra-C

Douglas Laboratories

Other CombinationsCapsuleOn Market
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Ultra-C label

Ultra-C

Douglas Laboratories

Other CombinationsCapsuleOn Market
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Ultra-C 2000 mg Sustained Release label

Ultra-C 2000 mg Sustained Release

NaturesPlus

Botanicals with NutrientsTablet or PillOn Market
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Ultra-C 2000 mg Sustained Release label

Ultra-C 2000 mg Sustained Release

NaturesPlus

Botanicals with NutrientsTablet or PillOn Market
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Ultra C 400 mg label

Ultra C 400 mg

MegaFood

Botanicals with NutrientsTablet or PillOn Market
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Ultra C 400 mg label

Ultra C 400 mg

MegaFood

Botanicals with NutrientsTablet or PillOn Market
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Ultra C Buffered label

Ultra C Buffered

New Sun

Other CombinationsCapsuleOn Market
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Ultra-Cee 500 mg Timed Release label

Ultra-Cee 500 mg Timed Release

Puritan's Pride

VitaminsCapsuleOn Market
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UltraCeps label

UltraCeps

Get Healthy Again

Other CombinationsCapsuleOn Market
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Ultra-C Forte label

Ultra-C Forte

Douglas Laboratories

Other CombinationsCapsuleOn Market
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