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.

Common active ingredients

C 500 mg Fruit-Flavor Chew

Natural Factors

Immune Support

Common active ingredients

C 500 mg Fruit-Flavor Chew

C 500 mg Fruit-Flavor Chew

C 500 mg Fruit-Flavor Chew

C 500 mg Fruit-Flavor Chew

C 500 mg Fruit-Flavor Chew Four Mixed Fruit Flavors

C 500 mg Fruit-Flavor Chew Tangy Orange Flavor

C 500 mg Fruit-Flavor Chew Tangy Orange Flavor

C 500 mg Fruit-Flavor Chew Tropical Flavor

C 500 mg Fruit-Flavor Chew Tropical Flavor

C 500 mg Orange Citrus

C 500 mg plus Bioflavonoids & Wild Rose Hips

C 500 mg Plus Natural Rose Hips

C 500 mg plus Wild Rose Hips

C 500 mg 'Sour' Cherry Melts

C 500 mg 'Tangy' Orange Melts

C-500 mg Timed Release

C 500 mg with Bioflavonoids

C 500 mg with Bioflavonoids

C-500 mg with Bioflavonoids and Wild Rose Hips

C-500 mg with Bioflavonoids and Wild Rose Hips

C-500 mg With Protective Bioflavonoids And Wild Rose Hips

C 500 mg with Rosehips

C 500 mg with Rosehips

C 500 mg with Rose Hips