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Seasonal Immune Support Supplements

Compare active zinc, vitamin C, herbs, amino acids and homeopathic products by label, ingredients, serving size, warnings and intended use.

Shop Common Cold & Flu Support Supplements
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NOW Foods Zinc 50 mg 100 Tablets bottle angled front label promoting immune support and enzyme function

NOW Foods Zinc

NOW Foods
$7.95 - $14.95
$7.95 - $14.95
$7.95 - $14.95
$7.95
Only 1 left!

NOW Foods Zinc 50mg provides an essential mineral that plays a critical role in immune health, cellular function, and overall wellness. Zinc is req...

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$7.95 - $14.95
$7.95 - $14.95
$7.95 - $14.95
$7.95
NOW Foods Zinc Glycinate 120 softgels with 250 mg pumpkin seed oil supporting prostate and immune health. Sold out

NOW Zinc Glycinate

NOW Foods
$12.95 - $12.95
$12.95
$12.95 - $12.95
$12.95
Out of stock

NOW Supplements Zinc Glycinate with 250 mg Pumpkin Seed Oil Supports Prostate Health & Immune Function Support men’s health and immune function...

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$12.95 - $12.95
$12.95
$12.95 - $12.95
$12.95
Sold out
NOW Foods Oregano Oil probiotics, enzymes and digestion support informational graphic 90 Softgels

NOW Foods Oregano Oil

NOW Foods
$19.95 - $19.95
$19.95
$19.95 - $19.95
$19.95
Only 1 left!

Potent Botanical Support for Immune & Digestive Health NOW Foods Oregano Oil delivers concentrated oregano oil derived from Origanum vulgare, t...

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$19.95 - $19.95
$19.95
$19.95 - $19.95
$19.95
NOW Foods L-Lysine 1,000 mg 100 tablets bottle front label Sold out

NOW Foods L-Lysine 1,000 mg

NOW Foods
$10.95 - $21.95
$10.95 - $21.95
$10.95 - $21.95
$10.95
Out of stock

NOW Foods L-Lysine 1,000 mg Tablets provide a convenient way to incorporate this essential amino acid into your daily supplement routine. L-Lysine ...

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$10.95 - $21.95
$10.95 - $21.95
$10.95 - $21.95
$10.95
Sold out
NOW Foods Echinacea 400 mg 100 Veg Capsules immune system support supplement front label

NOW Echinacea

NOW Foods
$9.95 - $19.95
$9.95
$9.95 - $19.95
$9.95 - $19.95
$9.95
in stock

NOW Foods Echinacea (Purpurea Root) 400 mg Traditional Immune Support NOW Foods Echinacea 400 mg features Echinacea purpurea root, a traditional bo...

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$9.95 - $19.95
$9.95
$9.95 - $19.95
$9.95 - $19.95
$9.95
NOW Foods Olive Leaf Extract 500 mg 60 Veg Capsules bottle front label for antioxidant and free radical support
Sold out

NOW Olive Leaf Extract

NOW Foods
$8.95 - $14.95
$8.95 - $14.95
$8.95 - $14.95
$8.95
Out of stock

NOW Foods Olive Leaf Extract 500 mg Free Radical Scavenger & Antioxidant Support Looking for plant-based antioxidant support?NOW Olive Leaf Ext...

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$8.95 - $14.95
$8.95 - $14.95
$8.95 - $14.95
$8.95
Sold out
NOW Foods Sodium Ascorbate Powder 8 oz (227 g) bottle front label – non-acidic buffered vitamin C powder.

NOW Foods Sodium Ascorbate

NOW Foods
$12.95 - $56.95
$12.95 - $56.95
$12.95 - $56.95
$12.95
in stock

Support your immune system with a buffered form of Vitamin C. NOW Foods Sodium Ascorbate Powder delivers pure, non-acidic vitamin C that’s gentle o...

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$12.95 - $56.95
$12.95 - $56.95
$12.95 - $56.95
$12.95
NOW Foods Andrographis Extract 400 mg, 90 Veg Capsules

NOW Foods Andrographis

NOW Foods
$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
in stock

Strengthen Your Immune Defense, Naturally When seasonal changes or daily stress challenge your immune system, NOW Foods Andrographis Extract delive...

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$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
Boiron Pulsatilla 6C homeopathic medicine tube with blue and white packaging, approx 80 meltaway pellets
Sold out

Boiron Pulsatilla

Boiron
$7.27 - $15.60
$7.27 - $15.60
$7.27 - $15.60
$7.27
Out of stock

Traditional Homeopathic Relief Boiron Pulsatilla is a single ingredient homeopathic medicine traditionally used to help relieve symptoms associated...

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$7.27 - $15.60
$7.27 - $15.60
$7.27 - $15.60
$7.27
Sold out
Boiron Kali Bichromicum 6C homeopathic medicine tube
Sold out

Boiron Kali Bichromicum

Boiron
$7.27 - $9.27
$7.27 - $9.27
$7.27 - $9.27
$7.27
Out of stock

Boiron Kali Bichromicum is a homeopathic medicine traditionally used to help relieve cold symptoms, including nasal congestion, sinus pressure, and...

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$7.27 - $9.27
$7.27 - $9.27
$7.27 - $9.27
$7.27
Sold out

Tiger Fitness buying guide

How to Choose Common Cold & Flu Support Supplements

Retire the medical-condition Cold & Flu framing or rename to conservative Seasonal Immune Support. All 10 products are active, but none should be presented as preventing, treating or curing influenza or the common cold.

Separate supplements from homeopathic products, verify drug facts and label indications, add zinc upper-limit and medication guidance, and avoid antiviral, respiratory-treatment, symptom-relief or guaranteed immune claims.

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