Collection: Immune Support*

If you’re looking to support your body’s normal 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 help support healthy immune function, respiratory health, and nasal and throat health.*

Sale

Active Support Syrup

Provides immune and respiratory support*

$17.96

$17.96 ~~$23.95~~

In Store Exclusive

All-in-One Immunity Startup Kit

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Sale

Anti-V Formula with clinically proven ECHINAMIDE®|variant|hi-res|4750U

Anti-V Formula Liquid

Provides immune system support*

From $11.96

From $11.96 ~~$15.95~~

Sale

Anti-V Formula with clinically proven ECHINAMIDE®|variant|hi-res|4700U

Anti-V Formula Softgels

Provides immune system support*

From $14.96

From $14.96 ~~$19.95~~

Sale

Astaxanthin Plus

Provides powerful cell protection*

$18.71

$18.71 ~~$24.95~~

Sale

Bee Propolis Extract

Helps soothe the throat and freshen the breath*

$14.96

$14.96 ~~$19.95~~

Sale

Bee Propolis Throat Spray

Helps soothe the throat and freshen the breath*

$11.96

$11.96 ~~$15.95~~

Sale

Bioactive Quercetin EMIQ

Supports healthy sinus and immune system function*

$25.46

$25.46 ~~$33.95~~

Sale

C Extra + Quercetin Bioflavonoids

Immune support*

$14.96

$14.96 ~~$19.95~~

Sale

Citrus Bioflavonoids plus Hesperidin

Provides bioflavonoids*

$11.96

$11.96 ~~$15.95~~

Sale

Echinamide® Softgels

Supports immune health*

$11.21

$11.21 ~~$14.95~~

Sale

Fresh Herb Extract

Supports immune health*

$11.96

$11.96 ~~$15.95~~

Restocking soon

GarlicRich® Garlic + Reishi

Supports immune and cardiovascular health*

$11.96

$11.96 ~~$15.95~~

Sale

L-Arginine Amino Acid 1000 mg Tablets

Supports cardiovascular health*

$17.96

$17.96 ~~$23.95~~

Sale

L-Arginine Amino Acid 500 mg Vegetarian Capsules

Supports cardiovascular health*

From $10.46

From $10.46 ~~$13.95~~

Sale

L-Lysine Amino Acid

Supports a healthy immune system*

From $9.71

From $9.71 ~~$12.95~~

Sale

Liposomal Vitamin C 1000mg

Provides enhanced vitamin C absorption

$14.96

$14.96 ~~$19.95~~

Restocking soon

Lung, Bronchial & Sinus Health

Nourishes the entire respiratory system!*

From $12.71

From $12.71 ~~$16.95~~

Sale

Micronized L-Glutamine|variant|hi-res|2810U

Micronized L-Glutamine Amino Acid 1,000 mg

Support for muscle tissue and the immune system*

From $14.21

From $14.21 ~~$18.95~~

Sale

Micronized L-Glutamine|variant|hi-res|2804U

Micronized L-Glutamine Amino Acid 5,000 mg Powder

Support for muscle tissue and the immune system*

From $18.71

From $18.71 ~~$24.95~~

Sale

Micronized L-Glutamine|variant|hi-res|2820U

Micronized L-Glutamine Amino Acid 500 mg

Support for muscle tissue and the immune system*

$11.21

$11.21 ~~$14.95~~

Sale

N-Acetyl-L-Cysteine|variant|hi-res|2815U

N-Acetyl-L-Cysteine Amino Acid 500 mg

Supports healthy liver and lung function*

$14.96

$14.96 ~~$19.95~~

Sale

N-Acetyl-L-Cysteine|variant|hi-res|2818U

N-Acetyl-L-Cysteine Amino Acid 600 mg

Supports healthy liver and lung function*

$11.96

$11.96 ~~$15.95~~

Sale

Oil of Oregano 180 mg Softgels

Provides antioxidants for the maintenance of good health*

From $9.71

From $9.71 ~~$12.95~~

Sale

Oil of Oregano 80% Carvacrol Certified Organic|variant|hi-res|4571U

Oil of Oregano Liquid

Provides antioxidants for the maintenance of good health*

From $14.99

From $14.99 ~~$19.99~~

Sale

Olive Leaf Extract

Provides natural support for the body’s defense system*

From $10.46

From $10.46 ~~$13.95~~

Sale

Quercetin

Supports healthy sinus and immune system function*

$20.96

$20.96 ~~$27.95~~

Sale

Quercetin LipoMicel Matrix

Supports healthy sinus and immune system function*

From $20.96

From $20.96 ~~$27.95~~

Sale

Quercetin with Zinc & Copper

Supports immune function*

$24.71

$24.71 ~~$32.95~~

Restocking soon

Quick-Blast

Provides soothing support in one bite!*

$8.96

$8.96 ~~$11.95~~

Sale

Rutin

Promotes healthy veins, arteries, and capillaries*

$12.71

$12.71 ~~$16.95~~

Sale

Sambucus Black Elderberry Standardized Extract

Provides immune and respiratory support*

From $10.46

From $10.46 ~~$13.95~~

Sale

SelenoExcell® Selenium

Provides antioxidant and immune support*

$10.46

$10.46 ~~$13.95~~

Sale

Super Mushroom

Provides immune and energy support*

From $25.46

From $25.46 ~~$33.95~~

Restocking soon

Throat Spray Formula

Soothes the throat and freshens the breath*

$12.71

$12.71 ~~$16.95~~

Sale

Vegan Bioenhanced Vitamin D3|variant|hi-res|35516U

Vegan Bioenhanced Vitamin D3 125 mcg (5,000 IU)

Helps maintain a healthy immune system*

$23.96

$23.96 ~~$31.95~~

Sale

Vegan Bioenhanced Vitamin D3|variant|hi-res|35512U

Vegan Bioenhanced Vitamin D3 25 mcg (1,000 IU)

Helps maintain a healthy immune system*

$16.46

$16.46 ~~$21.95~~

Sale

Vegan Vitamin D3 50 mcg (2,000 IU)

Supports healthy bones*

$20.96

$20.96 ~~$27.95~~

Sale

Vitamin C Fruit-Flavor Chew|variant|hi-res|1326U

Vitamin C 500 mg 100% Fruit Chew Berry

Supports healthy bones, cartilage, teeth, and gums*

From $12.71

From $12.71 ~~$16.95~~

Sale

Vitamin C Fruit-Flavor Chew|variant|hi-res|1332U

Vitamin C 500 mg 100% Fruit Chew Mixed Fruit Flavors

Supports healthy bones, cartilage, teeth, and gums*

From $12.71

From $12.71 ~~$16.95~~

Sale

Vitamin C Fruit-Flavor Chew|variant|hi-res|1331U

Vitamin C 500 mg 100% Fruit Chew Orange

Supports healthy bones, cartilage, teeth, and gums*

From $12.71

From $12.71 ~~$16.95~~

Sale

Vitamin C Fruit-Flavor Chew|variant|hi-res|1324U

Vitamin C 500 mg 100% Fruit Chew Peach

Supports healthy bones, cartilage, teeth, and gums*

From $12.71

From $12.71 ~~$16.95~~

Sale

Vitamin C Fruit-Flavor Chew|variant|hi-res|1329U

Vitamin C 500 mg 100% Fruit Chew Tropical

Supports healthy bones, cartilage, teeth, and gums*

From $12.71

From $12.71 ~~$16.95~~

Sale

Vitamin C BioCgel™ with BerryRich®

High-absorption ascorbate C with bioflavonoids*

$14.96

$14.96 ~~$19.95~~

Sale

Vitamin C Non-Time Release|variant|hi-res|1344U

Vitamin C Non-Time Release 1,000 mg

Supports healthy bones, cartilage, teeth, and gums*

$9.71

$9.71 ~~$12.95~~

Sale

Vitamin C Timed Release|variant|hi-res|1342U

Vitamin C Time Release 1,000 mg

Supports healthy bones, cartilage, teeth, and gums*

From $10.46

From $10.46 ~~$13.95~~

Sale

Vitamin C with Bioflavonoids & Rosehip|variant|hi-res|1300U

Vitamin C with Bioflavonoids & Rosehips 500 mg

Supports healthy bones, cartilage, teeth, and gums*

$8.21

$8.21 ~~$10.95~~

Sale

Vitamin D3 10 mcg (400 IU) Chewable Tablets

Provides essential support for strong bones and teeth*

$11.96

$11.96 ~~$15.95~~

Sale

Vitamin D3 125 mcg (5,000 IU)

Supports healthy bones*

From $11.21

From $11.21 ~~$14.95~~

Sale

Vitamin D3 25 mcg (1,000 IU)

Supports healthy bones*

$8.21

$8.21 ~~$10.95~~

Collection: Immune Support*

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Anti-V Formula Liquid

Anti-V Formula Softgels

L-Arginine Amino Acid 500 mg Vegetarian Capsules

L-Lysine Amino Acid

Micronized L-Glutamine Amino Acid 1,000 mg

Micronized L-Glutamine Amino Acid 5,000 mg Powder

Oil of Oregano 180 mg Softgels

Oil of Oregano Liquid

Olive Leaf Extract

Quercetin LipoMicel Matrix

Sambucus Black Elderberry Standardized Extract

Super Mushroom

Vitamin C 500 mg 100% Fruit Chew Berry

Vitamin C 500 mg 100% Fruit Chew Mixed Fruit Flavors

Vitamin C 500 mg 100% Fruit Chew Orange

Vitamin C 500 mg 100% Fruit Chew Peach

Vitamin C 500 mg 100% Fruit Chew Tropical

Vitamin C Time Release 1,000 mg

Vitamin D3 125 mcg (5,000 IU)

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