Collection: Immune Support

If you’re looking to support your body’s immune response – whether you’re feeling fine and want to stay that way, or you need to feel better quickly – trust Natural Factors’ products. Many supplements are formulated with our clinically proven ECHINAMIDE® echinacea, the result of many years of extensive research. We offer a range of single and combination formulas to support healthy immune function and respiratory health, relieve nasal congestion, and soothe sore throats.

 

 

100 products

Filter and sort

Filter and sort

100 products

Shop by Category

100 products

Shop by Category

Anti-Viral

Helps fight infections of the upper respiratory tract

total reviews

Learn More

Astaxanthin Plus 4 mg

Powerful cell protection

total reviews

Learn More

Balanced C Extra

Provides immune support

total reviews

Learn More

Bee Propolis

Supports the maintenance of good health

total reviews

Learn More

Bioactive Quercetin EMIQ 50 mg

Highly bioavailable form of the antioxidant nutrient quercetin

total reviews

Learn More

BioCgel High Absorption Ascorbate C 500 mg

High-absorption ascorbate C enhanced with citrus bioflavonoids

total reviews

Learn More

Black Elderberry Standardized Extract 100 mg

Helps relieve symptoms of cold and flu and provides antioxidants

total reviews

Learn More

C Extra + Quercetin

Provides immune support

total reviews

Learn More

Chewable Vitamin C

Supports immune function

total reviews

Learn More

Citrus Bioflavonoids Plus Hesperidin 650 mg

Offers superior antioxidant protection

total reviews

Learn More

Cold & Cough Syrup, ECHINAMIDE

Relieves throat, sinus, and bronchial irritation

total reviews

Learn More

Echinacea

Supports immune system function

total reviews

Learn More

Echinacea & Goldenseal Tincture, ECHINAMIDE

Provides premium immune-system support

total reviews

Learn More

Echinacea Alcohol-Free Fresh Herb Tincture, Natural Berry, ECHINAMIDE

Certified-organic effective immune-system support

total reviews

Learn More

GarlicRich Garlic+Reishi Super Strength 300 mg

Supports immune and cardiovascular health

total reviews

Learn More

GarlicRich Super Strength Garlic Concentrate 500 mg

Supports heart health and immunity

total reviews

Learn More

L-Arginine

Supports protein synthesis

total reviews

Learn More

L-Glutamine

Enhances muscle recovery, energy, and immunity

total reviews

Learn More

L-Lysine

Helps reduce recurrence, severity, and healing time of cold sores

total reviews

Learn More

Liposomal Vitamin C 1000 mg

Provides advanced vitamin C absorption

total reviews

Learn More

Lung, Bronchial & Sinus Health, HerbalFactors

Helps relieve sinus, respiratory, and cough discomfort

total reviews

Learn More

Mega Halibut Liver Oil

Promotes healing and helps boost the immune system

total reviews

Learn More

Micronized L-Glutamine 5 g

Accelerates recovery and energy, and supports muscle growth

total reviews

Learn More

N-Acetyl-L-Cysteine

Supports the production of glutathione

total reviews

Learn More

Oil of Oregano

Provides antimicrobial properties

total reviews

Learn More