Shop by Health Concern Immune Supplements

NOW Foods Extra Strength Beta-Glucans with ImmunEnhancer is a unique combination formula that helps promote immune system health. Beta-Glucans are bioactive carbohydrates derived from the cell wall of Saccharomyces cerevisiae, commonly known as bakers yeast. This formula features ImmunEnhancer, a proprietary extract of Larch arabinogalactin,...

Life Extension Bio-Quercetin offers highly absorbable support for immune, cardiovascular and endothelial health. Quercetin is an antioxidant flavonoid that may boost energy and muscle recovery; it may also support respiratory health and weight management. Bio-Quercetin from Life Extension uses quercetin encased in a plant-derived...

Solgar Quercetin Complex with Ester-C Plus is a unique formula for natural seasonal support. Quercetin is a bioflavonoid found naturally in onions and other foods. It has antioxidant properties which help stabilize cell membranes. Ester-C Plus is a patented, pH neutral form of vitamin...

For year-round respiratory and immune system support, count on Solaray Quercetin 500 mg to keep you feeling your best! Quercetin belongs to a family of compounds called bioflavonoids, antioxidants responsible for the bright pigments in fruits and vegetables. Taken regularly, quercetin may help provide...

Bolster your bodys natural defense system with Quantum Health SuperLysine+ tablets. This immune-boosting formula features L-Lysine, an amino acid that regulates immune response. Tablets also deliver popular nutrients for supporting the immune system like vitamin C, echinacea, licorice, propolis and odorless garlic. SuperLysine+ may...

Bolster your bodys natural defenses with EpiCor® from Healthy Origins. Just one EpiCor capsule has been clinically shown to keep the immune system balanced and performing optimally. The high-metabolite immunogens start working in 2 hours to support the immune system. 

Promote cardiovascular protection with Jarrow Formulas® Quercetin! Quercetin is a flavonol (a subclass of flavonoids) and is a potent antioxidant, helping to enhance cardiovascular health. Quercetin is one half of the rutin molecule, another flavonol, and is the more active antioxidant. Each capsule delivers...

Doctors Best Quercetin Bromelain supplies the flavonoid quercetin extracted from seed pods of the Dimorphandra mollis plant. Flavonoids are nutrients found in many plants and foods. Quercetin fights free radicals and supports circulatory health by promoting healthy blood vessel tissue. Bromelain is an enzyme...

Support membrane health naturally with NOW L-Lysine! L-Lysine is an essential amino acid, which means that it cannot be manufactured by the body. It must be obtained through the diet or by supplementation. Lysine is one of the most well-known amino acids and is...

Introducing a novel nutritional antioxidant and free-radical protector: GliSODin! The latest breakthrough in antioxidant supplements, GliSODin® is the first orally effective, plant-source form of superoxide dismutase (SOD), the bodys master defense enzyme.Unlike most oral forms of SOD, which lose potency as they pass through...

Experience improved immune system support in a delightful gummy supplement with Swanson® Immune Boost with Acerola gummies. The tropical acerola shrub produces cherry-like berries that are rich in vitamin C. Our gummies contain an extract of acerola which is celebrated for its powerful immune...

Your immune system is normally well-equipped to keep you healthy, but sometimes it can use a little extra assistance. Thats where Swanson Elderberry/Agaricus/Echinacea Immune Support formula can help. This economical formula combines three of natures most effective herbal immune reinforcers to give your bodys...

Bee Propolis 1000 is a resinous substance bees gather from select trees. Its used to line the hive to keep it healthy, and help keep the bee colony healthy, too. Bee Propolis is one of natures richest sources of bioflavonoids. Each capsule contains 500...

L-Lysine is an essential amino acid, which means that it cannot be manufactured by the body. It must be obtained through the diet or by supplementation. Lysine is one of the most well known amino acids and is an essential component of proteins. Not...

Swanson Immune Complex is a unique formula that provides three top-of-the-line extracts of natures premier herbal immune boosters. Elderberry, echinacea and goldenseal have a proven history of safety and capability to stimulate the bodys defense mechanisms, and the combination of them is even more...

Quercetin is a naturally occurring bioflavonoid that supports healthy histamine levels, thereby helping to sustain a balanced immune response. Bromelain, an enzyme derived from pineapple stems, also supports healthy immune system function. The combination of Quercetin and Bromelain therefore provides powerful immunomodulating benefits important...

Introducing our most potent dietary defender ever with Swanson Immune Essentials! We combined two powerful ingredients for immune system support with well-known, prove resistance promoters for comprehensive nutritional defense. Includes ImmunEnhancer® arabinogalactan, ColostruMune® colostrum, concentrated elderberry, beta glucan and both maitake and shiitake mushrooms....

If you like our PectiPure powder but long for the convenience of capsules, youre in luck! Featuring the same powerful Modified Citrus Pectin found in our best-selling powdered supplements, these 600 mg capsules are a great alternative for those without the time to mix...

Here at Swanson were always on the lookout for the latest scientific studies indicating potential benefits for health products. D- Limonene Cold-Pressed Orange Peel Extract is a perfect example. Widely used in cosmetics, cleansers and other orange-scented products, this terpene compound from orange peels...

Face seasonal challenges head-on with Swanson Ultimate Immune Defense, a 4-in-1 combo of trusted immune health-supporting nutrients. Ultimate Immune Defense features heaping helpings of vitamins C and D along with zinc and elderberry to cover all your bases for immune health.Vitamin C defends against...