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Fortify & Thrive

Collection: Immunity

The best ways to support immunity come from Mother Nature. And when your immune system thrives, so do you.

Immunity
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49 products

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49 products

  • A brown glass dropper bottle labeled kalvitamins B-12 Liquid DropIns 1000 mcg, with grape imagery, offers cellular energy support and natural grape flavor. This 2 fl oz (59 mL) supplement is designed for easy, effective B-12 intake.

    B-12 Liquid DropIns 1000 mcg

    B-12 Liquid DropIns 1000 mcg

    Regular price $19.09 USD
    Regular price Sale price $19.09 USD
    Unit price /  per 
  • A white bottle of kalvitamins B-12 Methylcobalamin 1000 mcg ActivMelt® Raspberry features 90 instant dissolve tablets with a natural raspberry flavor, supporting healthy energy metabolism. The label shows raspberries.

    B-12 Methylcobalamin 1000 mcg ActivMelt® Instant Dissolve Tablets Raspberry

    Sale

    B-12 Methylcobalamin 1000 mcg ActivMelt® Instant Dissolve Tablets Raspberry

    Regular price $9.30 USD
    Regular price $18.59 USD Sale price $9.30 USD
    Unit price /  per 
    Sale
  • A bottle of kalvitamins B-12 Methylcobalamin & Adenosylcobalamin 2000 mcg ActivMelt® Instant Dissolve Tablets, 60 mixed berry-flavored tablets for energy metabolism and nerve function, supports cellular energy.

    B-12 Methylcobalamin & Adenosylcobalamin 2000 mcg ActivMelt® Instant Dissolve Tablets

    B-12 Methylcobalamin & Adenosylcobalamin 2000 mcg ActivMelt® Instant Dissolve Tablets

    Regular price $19.49 USD
    Regular price Sale price $19.49 USD
    Unit price /  per 
  • A bottle of kalvitamins B-12 Methylcobalamin Lozenges 5000 mcg, 60 count, features “Healthy Energy Support” in Acai Berry flavor and displays two acai berries with green leaves on the label.

    B-12 Methylcobalamin Lozenges 5000 mcg

    B-12 Methylcobalamin Lozenges 5000 mcg

    Regular price $32.39 USD
    Regular price Sale price $32.39 USD
    Unit price /  per 
  • B-50 Complex Tablets

    B-50 Complex Tablets

    Sold out

    B-50 Complex Tablets

    Regular price $10.19 USD
    Regular price Sale price $10.19 USD
    Unit price /  per 
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  • A white bottle labeled kalvitamins Beyond Wellness™ Clinical Lifestyles™ Tablets with vitamin C and zinc for immune support. Contains 90 tablets as a dietary supplement; suggested use is one tablet daily.

    Beyond Wellness™ Clinical Lifestyles™ Tablets

    Beyond Wellness™ Clinical Lifestyles™ Tablets

    Regular price $21.19 USD
    Regular price Sale price $21.19 USD
    Unit price /  per 
  • A white bottle of kalvitamins Defender C™ Clinical Lifestyles™ Tablets has an orange and a green elderberry leaf on the label, highlights vitamin C for immune support and antioxidants, and contains 60 tablets for 2 daily doses.

    Defender C™ Clinical Lifestyles™ Tablets

    Defender C™ Clinical Lifestyles™ Tablets

    Regular price $18.79 USD
    Regular price Sale price $18.79 USD
    Unit price /  per 
  • C Chewables Sugarless 500 mg

    C Chewables Sugarless 500 mg

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    C Chewables Sugarless 500 mg

    Regular price $12.29 USD
    Regular price Sale price $12.29 USD
    Unit price /  per 
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  • A white bottle of kalvitamins C 1000 Buffered Sustained Release Tablets features blue accents, offers immune support, and contains 100 buffered vitamin C tablets as a dietary supplement.

    C 1000 Buffered Sustained Release Tablets

    C 1000 Buffered Sustained Release Tablets

    Regular price From $21.59 USD
    Regular price Sale price From $21.59 USD
    Unit price /  per 
  • A bottle of kalvitamins C 1000+ Mega Potency Tablets, containing 100 vitamin C tablets, supports daily immunity and features Antioxidant Rich, Vegan, Gluten Free benefits for everyday use.

    C 1000+ Mega Potency Tablets

    C 1000+ Mega Potency Tablets

    Regular price $19.89 USD
    Regular price Sale price $19.89 USD
    Unit price /  per 
  • A white bottle of kalvitamins C 1000+ Sustained Release Tablets for immune support. The vegan, gluten-free, non-GMO formula comes in a blue and white design with 100 tablets per bottle.

    C 1000+ Sustained Release Tablets

    C 1000+ Sustained Release Tablets

    Regular price From $19.29 USD
    Regular price Sale price From $19.29 USD
    Unit price /  per 
  • A bottle of kalvitamins C 500 + Rose Hips & Bioflavonoids Sustained Release Tablets contains 100 vegan, gluten-free, lab-verified tablets with Vitamin C for immune support.

    C 500 + Rose Hips & Bioflavonioids Sustained Release Tablets

    C 500 + Rose Hips & Bioflavonioids Sustained Release Tablets

    Regular price $11.49 USD
    Regular price Sale price $11.49 USD
    Unit price /  per 
  • A bottle of kalvitamins C Crystals™ dietary supplement for overall wellness, featuring a blue and white label with the kalvitamins logo, “3 daily,” and highlighting that it’s easy to swallow.

    C Crystals™

    C Crystals™

    Regular price $30.89 USD
    Regular price Sale price $30.89 USD
    Unit price /  per 
  • A white bottle of kalvitamins C Powder Acid-Free 4,200 mg dietary supplement, labeled for immune health support. Icons indicate non-GMO, vegan, gluten-free, BPA-free. Net weight: 8 oz (227 g).

    C Powder Acid-Free 4,200 mg

    C Powder Acid-Free 4,200 mg

    Regular price $29.09 USD
    Regular price Sale price $29.09 USD
    Unit price /  per 
  • A white bottle of kalvitamins Reacta-C® with Bioflavonoids Tablets 1000 mg immune support supplement, 60 count, with a blue and orange-accented label highlighting patented 24-hour support.

    Reacta-C® with Bioflavonoids Tablets 1000 mg

    Reacta-C® with Bioflavonoids Tablets 1000 mg

    Regular price From $19.69 USD
    Regular price Sale price From $19.69 USD
    Unit price /  per 
  • Reacta-C® with Bioflavonoids Tablets 500 mg

    Reacta-C® with Bioflavonoids Tablets 500 mg

    Sold out

    Reacta-C® with Bioflavonoids Tablets 500 mg

    Regular price $16.29 USD
    Regular price Sale price $16.29 USD
    Unit price /  per 
    Sold out
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†20% OFF discount valid on Magnesium Glycinate 350, Magnesium Citrate 600, Magnesium 7 Capsules, Total Mineral+ Capsules, Total Mineral+ Powder, Mellow Mineral+ Powder, Magnesium Glycinate with Citric Acid Powder at https://www.kalvitamins.com. Discount not applicable on repeating subscription orders. Use code MAG20 to apply discount at checkout. Offer valid until 2/28/26 at 11:59 pm. Offer may be modified or terminated at any time. Exclusions apply.

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