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Immune Support

131 products
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$20.00
$20.00
50 mg bovine adrenal cortex per capsule: Single-active-ingredient glandular formula made from bovine adrenal cortex tissue. Adrenal support: Supports healthy adrenal function and the body's natu...
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$48.00
$48.00
4-capsule daily serving: Delivers 425 mg vitamin C, 1,000 IU vitamin D3, 850 mcg DFE methylated folate (Quatrefolic®), 225 mcg methylcobalamin B12, and active B6 (pyridoxal 5’-phosphate). Health...
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$22.00
$22.00
Shoden® Ashwagandha Extract: Clinically studied, highly concentrated extract standardized to industry-leading 35% withanolide glycosides — the bioactive components of ashwagandha. 1 Capsule Dail...
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$33.00
$33.00
Stable Spore-Forming Probiotic: Bacillus Coagulans is a lactic acid-producing bacteria that survives stomach acid and retains its potency in the intestines. GI Comfort: Supports occasional gas, ...
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$36.00
$36.00
Complete Multi in 2 Capsules: Full multi-vitamin/mineral formula in just 2 capsules daily — 60 capsules for 30 servings — using the purest and most absorbable forms without unnecessary additives....
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$68.00
$68.00
Complete Multi in 2 Capsules: Full multi-vitamin/mineral formula in just 2 capsules daily — 120 capsules for 60 servings — using the purest and most absorbable forms without unnecessary additives...
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$40.00
$40.00
Complete Multi in 2 Capsules: Full multi-vitamin/mineral formula in just 2 capsules daily, using the purest and most absorbable forms without unnecessary additives. Antioxidant & Immune Supp...
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$30.00
$30.00
200mg Berberine per Capsule: Lower per-capsule dose than Thorne's phytosome Berberine formula, using well-researched berberine botanical with a long history of use. Blood Sugar & Cholesterol...
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$72.00
$72.00
Comprehensive Greens Formula: Blend of clinically studied green nutrition ingredients supporting foundational nutrition and healthy aging. Adaptogen Blend: Adaptogens support a healthy stress re...
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$56.00
$56.00
5 billion CFUs proprietary probiotic blend: Delivers live cells stated on label up to expiration. Weight management clinical support: Study showed ~5% reduction in visceral and subcutaneous body...
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$42.00
$42.00
20 Billion CFU Multi-Strain Probiotic: Four unique clinically studied strains — Lactobacillus paracasei, Lactobacillus acidophilus, and two strains of Bifidobacterium lactis — per capsule. Athle...
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$29.00
$29.00
Buffered vitamin C powder with mineral cofactors: Buffered with magnesium, calcium, and potassium for digestive ease. Capsule-free powder format: Dissolves quickly in water or beverage; reduces ...
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$49.00
$49.00
Gut-First Immune Support: Plant-based prebiotics and polyphenols designed to fortify the gut-immune axis. Benicaros® Prebiotic: Prebiotic sourced from upcycled carrot fiber — supports a healthy ...
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$26.00
$26.00
L-glutamine in capsule form: The most prevalent amino acid in the bloodstream, concentrated in the GI tract.* Restores depleted plasma glutamine: Rebuilds levels after exhaustive exercise, traum...
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$67.00
$67.00
L-glutamine powder — most prevalent amino acid in bloodstream: Concentrated in the GI tract; used up rapidly by intestinal cells.* NSF Certified for Sport: Every batch tested for compliance with...
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$15.00
$15.00
500 mg L-lysine per capsule: Delivered as L-lysine monohydrochloride — the purest, most absorbable form, with no unnecessary additives or preservatives. Supports immune function: Nutritional sup...
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$56.00
$56.00
Targeted daily multi for men 50 and older: Well-absorbed nutrients optimized for bioavailability. Prostate health support: Zinc and lycopene support prostate health, testosterone balance, and im...
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$63.00
$63.00
N-Acetylcysteine (NAC) — glutathione precursor: Wide-ranging antioxidant that replenishes glutathione stores.* Respiratory mucus clearance: Breaks disulfide bonds to thin mucus in the respirator...
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$33.00
$33.00
N-Acetylcysteine (NAC) — glutathione precursor: Wide-ranging antioxidant that replenishes glutathione stores.* Respiratory mucus clearance: Breaks disulfide bonds to thin mucus in the respirator...
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$54.00
$54.00
Quercetin + Cofactor Complex: Comprehensive quercetin formula with supporting nutrients for enhanced antioxidant and immune support. Immune Health: Supports normal immune function.* Respiratory...
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$46.00
$46.00
Phytosome-Enhanced Quercetin: Sophora japonica-derived quercetin bound to phospholipids from sunflower for exclusive phytosome complex with superior bioavailability. Immune Health: Plant-based a...
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$14.00
$14.00
L-Selenomethionine Form: Well-absorbed selenium as L-selenomethionine — the form well-retained in body tissues for sustained selenium status. Antioxidant Enzyme Support: Selenium builds selenopr...
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$23.00
$23.00
KSM-66® ashwagandha + adaptogen botanicals: Root-only full-spectrum ashwagandha extract for adrenal stress resilience.* Non-glandular adrenal support: Vitamin C, zinc, and active B vitamins supp...
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$24.00
$24.00
5-Mineral Chelated Complex: Zinc (as TRAACS® bisglycinate) 15mg, selenium (as L-selenomethionine) 100mcg, chromium (as TRAACS® chelate) 100mcg, boron (Bororganic® complex) 700mcg, and manganese c...
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$48.00
$48.00
Fatty acid gut flora support: Six times more effective than caprylic acid for balancing intestinal microflora.* Optimal GI function: Promotes functioning of the gastrointestinal tract for nutrie...
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$19.00
$19.00
1,000 mg vitamin C per capsule: The highest dose of vitamin C in any of Thorne's encapsulated vitamin C products. Immune function support: Promotes optimal immune function.* Collagen, skin, hai...
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$23.00
$23.00
Vitamin C paired with 75 mg citrus bioflavonoids per capsule: 500 mg vitamin C as ascorbic acid with 75 mg citrus bioflavonoids. Immune function support: Promotes optimal immune function.* Coll...
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$34.00
$34.00
Vitamin D3 + K2 (MK-4) liquid formula: Combined nutrients provide greater benefit together than each alone.* MK-4 vitamin K2: The most clinically studied form of vitamin K. Advanced bone and ca...
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$33.00
$33.00
1,000 IU vitamin D3 per capsule: Moderate daily dose in the more potent and better-absorbed D3 form. Bone, teeth, and calcium absorption support: Enhances the absorption and retention of calcium...
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$17.00
$17.00
1,000 IU vitamin D3 per capsule: Moderate daily dose in the more potent and better-absorbed D3 form. Bone, teeth, and calcium absorption support: Enhances the absorption and retention of calcium...
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$26.00
$26.00
10,000 IU vitamin D3 per capsule: High-potency dose for individuals requiring aggressive vitamin D supplementation. Better-absorbed D3 form: More potent and better absorbed than vitamin D2. Bon...
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$39.00
$39.00
5,000 IU vitamin D3 per capsule: The more potent and better-absorbed form than vitamin D2. NSF Certified for Sport: Every batch tested for compliance with label claims and free of nearly 300 ban...

Immune support supplements -- functional mushrooms, elderberry, zinc, and antioxidant blends to support a healthy immune system.

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult with your doctor to see if this product is right for you.