Immune support may be more important now than ever before. A strong immune system is essential for protecting your health from disease, including infections and various illnesses.

Immune Support - Vitamin Tablets and More

Our immune support products include vitamins, such as Vitamin C. A study by the National Center for Biotechnology Information notes that Vitamin C contributes to a healthy immune system. Hargraves Online Healthcare has the most popular brands available including 21st Century Vitamins, Major Brand, GeriCare, Nature Made, Nature's Bounty, Sundown Naturals and Airborne Original. These Vitamins are available in Chewable Tablets, Effervescent Tablets, Powder Packs and Gummies. 

Our immune support products expand beyond Vitamin C tablets. Our inventory of immune support products also include Zinc, Echinachea, Vitamin A, DHEA, Lysine, Vitamin D3, Vitamin E. We’re also you’re source for Multivitamins, Multiminerals

Now is The Time to Buy Immune Support Products

These are the immune support products you’re looking for.

Find what you need from our inventory above, click on the product you want to buy, and securely order online from Hargraves Online Healthcare – all without having to leave the comfort and security of your home.

“Their products are at such good prices. And the shipping is on time and fast. I order the same product every 2 months and it comes on time and it’s inexpensive.”

- A satisfied Hargraves Online Healthcare Customer

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Zinc (Sulfate), 220 mg (Immune Support) 100 Capsules by PlusPharma Zinc (Sulfate), 220 mg (Immune Support) 100 Capsules by PlusPharma
AllCOVID 19 Products

Zinc Sulfate 220 mg 100 Capsules by Plus Pharma

Purpose  Dietary Supplement Exp Date  04/2024 Manufacturer  PlusPharma Active Ingredients Zinc - 50 mg(from Zinc Sulfate Heptahydrate - 220 mg)  Directions Adults Take 1 capsule daily with food, as a dietary...
$4.99
Zinc 30 mg 100 Tablets by Nature Made Zinc 30 mg 100 Tablets by Nature Made
AllGluten Free Products

Zinc 30 mg 100 Tablets by Nature Made

Purpose  Supports a Healthy Immune System Exp Date   06/2025 Manufacturer  Nature Made Active Ingredient Zinc (as Zinc Gluconate) - 30 mg Directions Adults Take 1 tablet daily with water and a...
$5.99
AllCough Medication/Cold and Flu Medicine

Zicam Cold Remedy Oral Mist 1.0 fl oz

Purpose  Temporarily Relieves Sore Throat & Cough Exp Date  09/2021 Manufacturer  Zicam Uses Helps reduce the duration of the common cold Helps reduce the severity of cold symptoms including; sore...
$6.99 $4.99
Rugby Multivitamin with Zinc Stress Formula (Immune Support), 60 Tablets Rugby Multivitamin with Zinc Stress Formula (Immune Support), 60 Tablets
AllCOVID 19 Products

Multivitamin with Zinc Stress Formula, 60 Tablets by Rugby

Purpose  Dietary Supplement Exp Date  12/2025 Manufacturer  Rugby Pharmaceutical Active Ingredients Vitamin C (as Ascorbic Acid) - 500 mg Vitamin E (as Alpha Tocopherol Acetate) - 13.5 mg Thiamin (as...
$4.99
AllCOVID 19 Products

Zinc Lozenges with Vitamin C & B6, 120 Lozenges by Nature's Blend

Purpose  Immune Support Exp Date  05/2024 Manufacturer  Nature's Blend Active Ingredients Vitamin C (as Ascorbic Acid) - 60 mg Vitamin B-6 (as Pyridoxine HCl) - 0.5 mg Zinc - 12...
$10.99
Zinc (Chelated) 50 mg 110 Tablets by 21st Century Zinc 50 mg (Chelated) 110 Tablets by 21st Century
AllCOVID 19 Products

Zinc 50 mg (Chelated) 110 Tablets by 21st Century

Purpose  Mineral Supplement Exp Date  09/2024 Manufacturer  21st Century Active Ingredients Zinc  (as Amino Acid Chelate) - 50 mg Calcium (as Calcium Carbonate) - 125 mg Directions Adults Take 1...
$4.99
Zinc Sulfate 220 mg 100 Capsules by Rising Zinc Sulfate 220 mg 100 Capsules by Rising
AllCOVID 19 Products

Zinc Sulfate 220 mg 100 Capsules by Rising

Purpose  Dietary Supplement Exp Date  04/2024 Manufacturer  Rising   Active Ingredients Zinc - 50 mg(Zinc Sulfate Monohydrate Equivalent to 220 mg Zinc Sulfate Heptahydrate)  Directions Adults Take 1 capsule daily as a...
$14.99
Vitamin D3, 25 mcg (1000 IU) 180 tablets by Rugby Vitamin D3, 25 mcg (1000 IU) 180 tablets by Rugby
AllImmune Support

Vitamin D3, 25 mcg (1000 IU) 180 tablets by Rugby

Purpose  Dietary Supplement Exp Date  07/2026 Manufacturer  Rugby Pharmaceuticals Active Ingredient Vitamin D3 (as Cholecalciferol) - 25 mcg (1000 IU) Calcium (as Calcium Carbonate) - 25 mg Directions  Adults Take 1...
$5.99
Zinc plus Vitamins C and B6, 90 Chew Tabs by 21st Century Zinc plus Vitamins C and B6, 90 Chew Tabs by 21st Century
AllCOVID 19 Products

Zinc plus Vitamins C and B6, 90 Chew Tabs by 21st Century

Purpose  Mineral & Vitamin Supplement Exp Date  08/2024 Manufacturer  21st Century Active Ingredients Zinc  (as Zinc Aspartate) - 15 mg Vitamin C (as Ascorbic Acid & Sodium Ascorbate) - 60 mg...
$4.99
Elderberry with Vitamin C & Echinacea 60 Chewable Wafers by Windmill Elderberry with Vitamin C & Echinacea 60 Chewable Wafers by Windmill
AllHerbal Supplements and Throat Drops

Elderberry with Vitamin C & Echinacea 60 Chewable Wafers by Windmill

Purpose  Herbal Supplement / Immune Support Exp Date   06/2025 Manufacturer  Windmill Active Ingredients Vitamin C - 100 mg Elderberry - 200 mg Marshmallow Root - 50 mg Echinacea - 25 mg...
$9.99
Vitamin D, 10 mcg (400 IU) 100 Tablets, by Major Vitamin D 10 mcg (400 IU) 100 Tablets, by Major
AllCOVID 19 Products

Vitamin D 10 mcg (400 IU) 100 Tablets, by Major

Purpose  Dietary Supplement Exp Date 03/2025 Manufacturer   Major Active Ingredient Vitamin D (as Cholecalciferol) - 10 mcg (400 IU) Calcium (as Calcium Carbonate) - 25 mg Directions Adults Take...
$3.99
AllGluten Free Products

Nature's Blend Vitamin D3, 25 mcg (1000 IU) 100 Tablets

Purpose  Immune System & Bone Health Exp Date  02/2025 Manufacturer  Nature's Blend Active Ingredients Vitamin D3 (as Cholecalciferol) - 25 mcg (1,000 IU) Directions Take 1 tablet daily, preferably with a...
$4.99
AllGluten Free Products

Vitamin D3 50 mcg (2000 IU) 100 Tablets by Natures Blend

Purpose  Dietary Supplement Exp Date  07/2025 Manufacturer  Nature's Blend  Active Ingredients Vitamin D3 (as Cholecalciferol) - 50 mcg (2,000 IU) Directions Take 1 tablet daily, preferably with a meal, or...
$6.99
AllGluten Free Products

Vitamin C 1000 mg (Prolonged Release) 110 Tablets by 21st Century

Purpose  Dietary Supplement Exp Date   Manufacturer  21st Century Active Ingredient Vitamin C (As Ascorbic Acid) - 1,000 mg Directions Adults Take 1 tablet daily with any meal, or as directed by...
$7.99
Windmill Zinc Sulfate 50 mg 90 Tablets Windmill Zinc Sulfate 50 mg 90 Tablets
AllCOVID 19 Products

Zinc Sulfate 50 mg 90 Tablets by Windmill

Purpose  Dietary Supplement Exp Date   Manufacturer  Windmill Active Ingredient Zinc (as Zinc Sulfate) - 50 mg Directions Adults Take 1 tablet daily as a dietary supplement or as directed...
$5.99
Sambucus Black Elderberry 2000 mg (per serving) by Nature's Truth Sambucus Black Elderberry 2000 mg (per serving) by Nature's Truth
AllImmune Support

Sambucus Black Elderberry 2000 mg (per serving) 100 Capsules by Nature's Truth

Purpose  Dietary Supplement Exp Date   03/2024 Manufacturer  Nature's Truth Active Ingredient Sambucus Black Elderberry - 2,000 mg (per serving) Directions Adults Take 1 quick release capsule 2-3 times daily, preferably with...
$12.49
PlusPharma Vitamin D3, 25 mcg (Immune Support), 100 Tablets PlusPharma Vitamin D3, 25 mcg (Immune Support), 100 Tablets
AllImmune Support

Vitamin D3, 25 mcg (1000 IU) 100 Tablets by PlusPharma

Purpose  Dietary Supplement Exp Date  07/2024 Manufacturer  PlusPharma Active Ingredient Vitamin D3 - 25 mcg (1,000 IU) Directions Adults Take 1 tablet daily with water, or as directed by a doctor Facts Made...
$4.99
21st Century Stress B with Zinc, 66 Tablets 21st Century Stress B with Zinc,  66 Tablets
AllGluten Free Products

Stress B with Zinc, 66 Tablets by 21st Century

Purpose  Vitamin & Mineral Supplement Exp Date  03/2025 Manufacturer  21st Century Active Ingredients Vitamin C (as Ascorbic Acid) - 500 mg Vitamin E (as di-Alpha Tocopheryl Acetate) - 30 mg...
$5.99
AllCOVID 19 Products

Vitamin C-1000 mg 100 Tablets by Major

Purpose  Dietary Supplement Exp Date  06/2023 Manufacturer  Major Pharmaceuticals Active Ingredient Vitamin C (as Ascorbic Acid) - 1000 mg Directions Adults Take 1 tablet daily, preferably with any meal * As a reminder,...
$5.99
AllGluten Free Products

B Complex with Vitamin C, 100 Capsules by Nature's Blend

Purpose  Dietary Supplement Exp Date  08/2023 Manufacturer  Nature's Blend Active Ingredients Vitamin C (as Ascorbic Acid) - 300 mg Thiamin (as B1 Thiamine Mononitrate) - 15 mg Riboflavin ( Vitamin...
$7.99
21st Century D3, 50 mcg (2000 IU) 110 Tablets (Immune Support) 21st Century D3, 50 mcg (2000 IU) 110 Tablets
AllGluten Free Products

Vitamin D3 50 mcg (2000 IU) 110 Tablets by 21st Century

Purpose  Dietary Supplement Exp Date  04/2025 Manufacturer  21st Century Active Ingredients Vitamin D3 (as Cholecalciferol) - 50 mcg Calcium (as Calcium Carbonate) - 90 mg Directions Adults Take 1 tablet...
$5.99