Skip to main content Accessibility statement

Click to Activate: Up To 35% Off Swanson | Free Shipping on $29+ | Exclusions Apply*

Search

Shop by Brand
Best Sellers
Specials

Search

Power Your Immune Health

Vitamin C

Vitamin D

Elderberry

Oregano

Mushrooms

Colostrum

Your Selection

×Solaray, Superior Source, Symbiotics ×Health Concerns ×Immune

filter search results

Category

filter search results by Category

Zinc (4)
Vitamin C (13)
Vitamin D (5)
Specialty Immune Products (9)
Mushrooms (17)

additional filters by Category

Oregano (2)
Lysine (3)
Colostrum (4)
Probiotics for Immune System (5)
Cat's Claw (1)
Propolis (1)
AHCC (1)
Slippery Elm (1)
Immune Health Combination Formulas (2)
Olive Leaf (1)

Brands

filter search results by Brands

Swanson Vitamins (196)
LivOn Laboratories (2)
Source Naturals (71)
Gaia Herbs (24)
Nature's Way (69)

additional filters by Brands

Special Offers

filter search results by Special Offers

New Arrivals (1)

additional filters by Special Offers

Review Rating

filter search results by Review Rating

5 stars (14)
4 and up (58)
3 and up (63)
2 and up (63)
1 and up (63)

additional filters by Review Rating

Flavor

filter search results by Flavor

Cherry (1)
Lemon (1)
Orange (2)
Unflavored (1)

additional filters by Flavor

Specialty

filter search results by Specialty

Vegetarian (39)
Vegan (39)
Non-GMO (18)
Non-GMO Project Verified (14)
Gluten Free (12)

additional filters by Specialty

Organic (5)

Price

filter search results by Price

$10.00-$14.99 (13)
$25.00-$49.99 (28)
$5.00-$9.99 (6)
$15.00-$24.99 (17)
Greater than $50.00 (2)

additional filters by Price

Form

filter search results by Form

Vegetarian Capsules (47)
Lozenges (1)
Liquids (2)
Tablets (5)
Powders (6)

additional filters by Form

Capsules (3)
Chewables (1)
Softgels (1)

Potency

filter search results by Potency

500 mg (11)
1,000 mg (8)
600 mg (2)
50 billion cfu (2)
30 mg (1)

additional filters by Potency

15 mg (1)
1000 mg (1)
50 mg (1)
2,000 IU (50 mcg) (1)
5,000 IU (1)
5,000 mg (1)
400 IU (10 mcg) (1)
550 mg (1)
100 mg (1)
30 Billion CFU (1)
250 mg (1)
520 mg (1)
985 mg (1)
400 mg (1)
100 billion cfu (1)
250 MG (1)
150 mg (1)
20 Billion CFU (1)
410 mg (1)

REFINE

Sort By

1 - 24 of 66 items

select page number

Page changed to page 1

Immune Supplements

Solaray Vitamin C with Bioflavonoid Concentrate

Vitamin C with Bioflavonoid Concentrate

(37)
1,000 mg / 250 Veg Caps
price$31.99

compare products

Solaray Timed Release Super Bio Vitamin C

Timed Release Super Bio Vitamin C

(62)
1,000 mg / 250 Veg Caps
price$34.49

compare products

Solaray Vitamin D3 & K2

Vitamin D3 & K2

(143)
120 Veg Caps
price$31.99

compare products

Symbiotics Colostrum Plus Powder

Colostrum Plus Powder

(43)
21 oz Pwdr
price$104.99

compare products

Solaray Zinc Copper with Kelp & Pumpkin Seed

Zinc Copper with Kelp & Pumpkin Seed

(44)
100 Veg Caps
price$11.89

compare products

Solaray Quercetin

(66)
500 mg / 90 Veg Caps
price$28.39

compare products

Symbiotics Colostrum Plus Capsules

Colostrum Plus Capsules

(45)
240 Veg Caps
price$48.74

compare products

Solaray OptiZinc

(19)
30 mg / 60 Veg Caps
price$8.79

compare products

Solaray Liposomal Vitamin C

Liposomal Vitamin C

(12)
500 mg / 100 Veg Caps
price$29.59

compare products

Solaray Timed Release Vitamin C with Rose Hips & Acerola

Timed Release Vitamin C with Rose Hips & Acerola

(33)
1000 mg / 250 Veg Caps
price$32.09

compare products

Solaray Vitamin C with Bioflavonoid Concentrate

Vitamin C with Bioflavonoid Concentrate

(37)
1,000 mg / 100 Veg Caps
price$15.19

compare products

Solaray Enhanced Absorption Bio Zinc

Enhanced Absorption Bio Zinc

(7)
15 mg / 100 Veg Caps
price$10.19

compare products

Solaray Vitamin C & Bioflavonoids

Vitamin C & Bioflavonoids

(15)
100 Veg Caps
price$9.39

compare products

Superior Source Extra Strength Vitamin D3

Superior Source

Extra Strength Vitamin D3

(23)
5,000 IU (125 mcg) / 100 Tabs
price$11.75

compare products

Solaray Zinc

(57)
50 mg / 100 Veg Caps
price$9.59

compare products

Superior Source Vitamin C Melts "Tangy" Orange

Superior Source

Vitamin C Melts "Tangy" Orange

(4)
500 mg / 90 Tabs
price$14.07

compare products

Solaray Vitamin C & Echinacea

Vitamin C & Echinacea

(3)
120 Veg Caps
price$19.59

compare products

Solaray Vital Extracts Oregano Complete

Vital Extracts Oregano Complete

Be first to write a review
1 fl oz Liq
price$28.49

compare products

Solaray Reacta-C

(4)
500 mg / 60 Veg Caps
price$10.69

compare products

Solaray Vitamin D-3 - Lemon

Vitamin D-3 - Lemon

(1)
2,000 IU (50 mcg) / 60 Loz
price$8.99

compare products

Solaray Timed Release Vitamin C with Rose Hip & Acerola

Timed Release Vitamin C with Rose Hip & Acerola

(17)
1,000 mg / 100 Tabs
price$15.99

compare products

Solaray Vitamin C Powder

Vitamin C Powder

(7)
5,000 mg / 8 oz Pwdr
price$18.89

compare products

Superior Source Children's Vitamin D3

Superior Source

Children's Vitamin D3

Be first to write a review
400 IU (10 mcg) / 100 Tabs
price$6.55

compare products

Solaray Vitamin D3 & K2

Vitamin D3 & K2

(143)
60 Veg Caps
price$18.39

compare products

1 - 24 of 66 items

select page number

Page changed to page 1

×

Give friends 20% off their first order

Get 20% off when they make a purchase!

Email Customer Care

My Account
Order Information
Shipping Details
International Information

Guarantees
Product Information
Returns
Security & Privacy
FAQs

History
Social Responsibility
Swanson Cares
Blog
Careers

Services

Wellness Rewards
Easy Refill
Favorites
Request a Catalog

*Some exclusions apply. See Details

© 2026 Swanson

Terms of Service Privacy Policy Sitemap

UL Certified

NSF - GMP Certified

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.