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.

Ester-C 500 mg label

Ester-C 500 mg

American Health

Single Vitamin & MineralCapsuleOn Market
View details
Ester-C 500 mg with Citrus Bioflavoinds label

Ester-C 500 mg with Citrus Bioflavoinds

American Health

Other CombinationsCapsuleOn Market
View details
Ester-C 500 mg With Citrus Bioflavoinds label

Ester-C 500 mg With Citrus Bioflavoinds

American Health

Other CombinationsCapsuleOn Market
View details
Ester-C 500 mg With Citrus Bioflavoinds label

Ester-C 500 mg With Citrus Bioflavoinds

American Health

Other CombinationsCapsuleOn Market
View details
Ester-C 500 mg With Citrus Bioflavoinds Timed Release label

Ester-C 500 mg With Citrus Bioflavoinds Timed Release

American Health

Botanicals with NutrientsTablet or PillOn Market
View details
Ester-C 500 mg with Citrus Bioflavonoids label

Ester-C 500 mg with Citrus Bioflavonoids

American Health

Other CombinationsCapsuleOn Market
View details
Ester-C 500 mg with Citrus Bioflavonoids label

Ester-C 500 mg with Citrus Bioflavonoids

American Health

Other CombinationsTablet or PillOn Market
View details
Ester-C 500 mg with Citrus Bioflavonoids label

Ester-C 500 mg with Citrus Bioflavonoids

American Health

Other CombinationsCapsuleOn Market
View details
Ester-C 500 mg With Citrus Bioflavonoids label

Ester-C 500 mg With Citrus Bioflavonoids

American Health

Other CombinationsCapsuleOn Market
View details
Ester-C 500 Plus Bioflavonoids label

Ester-C 500 Plus Bioflavonoids

Bluebonnet

Other CombinationsOther (e.g. tea bag)On Market
View details
Ester C 9444 mg label

Ester C 9444 mg

SuperSmart

VitaminsCapsuleOn Market
View details
Ester-C Advanced Antioxidant Formula With Whole Food Complex label

Ester-C Advanced Antioxidant Formula With Whole Food Complex

American Health

Botanicals with NutrientsTablet or PillOn Market
View details
Ester-C Complex label

Ester-C Complex

Douglas Laboratories

Other CombinationsCapsuleOn Market
View details
Ester-C Effervescent 1000 mg Natural Lemon Lime label

Ester-C Effervescent 1000 mg Natural Lemon Lime

American Health

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Orange label

Ester-C Effervescent 1000 mg Natural Orange

American Health

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Orange Flavor label

Ester-C Effervescent 1000 mg Natural Orange Flavor

Solgar

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Orange Flavor label

Ester-C Effervescent 1000 mg Natural Orange Flavor

Solgar

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Orange Flavor label

Ester-C Effervescent 1000 mg Natural Orange Flavor

Solgar

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Orange Flavor label

Ester-C Effervescent 1000 mg Natural Orange Flavor

NatureSmart

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Raspberry label

Ester-C Effervescent 1000 mg Natural Raspberry

American Health

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Raspberry Flavor label

Ester-C Effervescent 1000 mg Natural Raspberry Flavor

Solgar

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Raspberry Flavor label

Ester-C Effervescent 1000 mg Natural Raspberry Flavor

Solgar

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Natural Raspberry Flavor label

Ester-C Effervescent 1000 mg Natural Raspberry Flavor

Solgar

Other CombinationsPowderOn Market
View details
Ester-C Effervescent 1000 mg Plus Electrolytes Natural Orange Flavor label

Ester-C Effervescent 1000 mg Plus Electrolytes Natural Orange Flavor

American Health

Other CombinationsPowderOn Market
View details
Immune Support Supplements Database - Page 123 (7,500+ Products) | VitaSuppTrack