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.

Reishi Mushroom (Ganoderma lucidum) Powder label

Reishi Mushroom (Ganoderma lucidum) Powder

TerraVita Premium Collection

Botanicals & HerbsPowderOn Market
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Reishi Mushroom (Ganoderma lucidum) Powder label

Reishi Mushroom (Ganoderma lucidum) Powder

TerraVita Premium Collection

Botanicals & HerbsPowderOn Market
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Rei-Shi Mushrooms 270 mg label

Rei-Shi Mushrooms 270 mg

NOW

Botanicals & HerbsCapsuleOn Market
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Reishi & Shiitake Mushroom Blend 270 mg label

Reishi & Shiitake Mushroom Blend 270 mg

LuckyHerbs

Botanicals & HerbsCapsuleOn Market
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Re-Leaf label

Re-Leaf

Red Moon Herbs

Botanicals & HerbsLiquidOn Market
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Resbid label

Resbid

Ecological Formulas

Non-Nutrient / Non-BotanicalCapsuleOn Market
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resB Lung Support 30 Billion CFU label

resB Lung Support 30 Billion CFU

ResBiotic

Other CombinationsCapsuleOn Market
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ResCu-SR label

ResCu-SR

Pure Encapsulations

Non-Nutrient / Non-BotanicalCapsuleOn Market
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Reset & Relax label

Reset & Relax

MyTrition

Other CombinationsCapsuleOn Market
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Resilience label

Resilience

Good Pharma

Botanicals with NutrientsOther (e.g. tea bag)On Market
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Resilience label

Resilience

ATP Science

Other CombinationsCapsuleOn Market
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ResistAid label

ResistAid

Bricker Labs

Non-Nutrient / Non-BotanicalTablet or PillOn Market
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ResistaMist (Lysozyme) label

ResistaMist (Lysozyme)

Douglas Laboratories

Non-Nutrient / Non-BotanicalLiquidOn Market
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Resistance label

Resistance

Apollon Nutrition

Other CombinationsCapsuleOn Market
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Resistance C Lemon Lime Flavored Drink Mix label

Resistance C Lemon Lime Flavored Drink Mix

Resistance C

Other CombinationsPowderOn Market
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Resistance C Raspberry Flavored Drink Mix label

Resistance C Raspberry Flavored Drink Mix

Resistance C

Other CombinationsPowderOn Market
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Resistance C Tangerine Flavored Drink Mix label

Resistance C Tangerine Flavored Drink Mix

Resistance C

Other CombinationsPowderOn Market
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Resistance Support Formula label

Resistance Support Formula

Douglas Laboratories

Other CombinationsTablet or PillOn Market
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Resist-X label

Resist-X

Metagenics

Botanicals with NutrientsTablet or PillOn Market
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RespiCare label

RespiCare

Himalaya

Botanicals & HerbsCapsuleOn Market
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Respi Clear label

Respi Clear

Indiana Botanic Gardens

Other CombinationsCapsuleOn Market
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Respi Clear label

Respi Clear

Botanic Choice

Other CombinationsCapsuleOn Market
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RespiClear label

RespiClear

Karuna

Botanicals with NutrientsLiquidOn Market
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Respi-Complete label

Respi-Complete

Botanic Choice

Other CombinationsCapsuleOn Market
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