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| Acidophilus / Bifidus |  | Acidophilus & Bifidus (Non-Dairy), 60 Capsules | $9.32
US | $6.99
US |
| All Greens |  | All Greens - Energy Formula, 90 Capsules | $17.32
US | $12.99
US |
| Alpha-Lipoic Acid |  | Lipoec Energizer 50mg (Alpha Lipoic), 60 Caplets | $21.39
US | $16.04
US |
| Amalaki (Indian Gooseberry) |  | Vitality Herbal Elixir, 2 OZ | $19.03
US | $14.27
US |
| ArabinoGalactan AG |  | Clear Trac - Intestinal Support - 400mg, 60 Capsules | $13.85
US | $10.39
US |
| Astragalus |  | Astragalus Root 500mg, 60 Capsules | $10.05
US | $7.54
US |
| Bayberry | | Children's Composition Essence, 1 OZ | $19.11
US | $14.33
US |
| Bee Pollen |  | Bee Pollen Granules, 175 g | $8.60
US | $6.45
US |
| Beta-Carotene |  | Beta Carotene - 10,000 I.U., 90 Capsules | $10.23
US | $7.67
US |
| Bone Meal |  | Bone Meal with A and D - 485mg, 90 Tablets | $5.40
US | $4.05
US |
| Borage Oil |
| Essential 3-6-9 Liquid Form, 500 mL | $23.49
US | $17.62
US |
| Bovine Colostrum |  | Colostrum - Dual Action, 120 tablets | $25.08
US | $18.81
US |
| Brewers Yeast |  | Brewers Yeast 400mg, 90 Tablets | $4.16
US | $3.12
US |
| Brigham Tea |  | Aller Formula (ALG) 425mg, 90 Capsules | $12.08
US | $9.06
US |
| Burdock Root | | Burdock 470mg, 60 Capsules | $9.07
US | $6.80
US |
| CLA - Conjugated Linoleic Acid |  | CLA One 1000mg, 60 Capsules | $19.99
US | $14.99
US |
| Calcium & Magnesium |  | Calcium & Magnesium Citrate/Carbonate, 60 Tablets | $10.85
US | $8.14
US |
| Cat's Claw (Una de Gato Vine) | | Cat's Claw 500mg - Peruvian, 90 Capsules | $16.77
US | $12.58
US |
| Children's Remedies | | Children's Cough Syrup for Wet Cough, 2 OZ | $32.89
US | $24.67
US |
| Choline |  | Fast Burner Lipotropic Choline/Inositol, 90 Tablets | $19.72
US | $14.79
US |
| Cod Liver Oil |  | Cod Liver Oil Liquid (Norwegian), 8.5 oz | $6.35
US | $4.76
US |
| Coenzymes |  | Coenzyme Q10 60mg, 30 Capsules | $25.32
US | $18.99
US |
| Cough & Cold |  | Cough & Cold, 60 Capsules | $11.99
US | $8.99
US |
| Creatine |  | Supreme Max-RX - Extreme Chocolate, 3.1 lbs | $57.69
US | $43.27
US |
| Creatine Transport | | Bio Cell Creatine Transport - Grape, 4 lbs | $72.86
US | $54.65
US |
| Cysteine |  | MultiVitamins & Minerals Mega 25, 50 Caplets | $15.99
US | $11.99
US |
| D-Ribose |  | Ribose Stack - Grape, 20 Servings | $128.48
US | $96.36
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| Echinacea |  | Echinacea Extract 250mg, 60 Softgels | $15.99
US | $11.99
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| Echinacea Tea |  | Tea - Echinacea Plus, 20 tea bags | $6.83
US | $5.12
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| Elderberry / Flower | | Elder Flowers, Fresh - Liquid Extract, 1 OZ | $19.99
US | $14.99
US |
| Essiac - Herbal Cancer Remedy |  | Essiac - Herbal Cancer Remedy, 1.5 oz | $30.83
US | $23.12
US |
| Evening Primrose Oil |  | Evening Primrose Oil 1000mg, 60 Softgels | $15.09
US | $11.32
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| Flax Seed Oil |  | Flax Seed Oil 1000mg, 90 Capsules | $13.07
US | $9.80
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| Functional & Therapeutic Tea |  | Tea - Reishi Defense, 20 tea bags | $6.64
US | $4.98
US |
| Garlic |  | MediGar Max Strength Garlic, 60 Tablets | $11.99
US | $8.99
US |
| Ginkgo Biloba |  | Brain Power - Ginkgo Biloba & Ginseng, 60 Capsules | $19.72
US | $14.79
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| Ginseng |  | Canadian Ginseng 400mg, 60 Capsules | $14.91
US | $11.18
US |
| Goldenseal |  | Goldenseal Liquid Extract - 25% Alcohol, 50 mL | $25.01
US | $18.76
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| Grape Seed Extract |  | Grape Seed Extract 50mg, 60 Capsules | $20.03
US | $15.02
US |
| Halibut Liver Oil |  | Halibut Liver Oil (Norwegian), 90 Capsules | $4.55
US | $3.41
US |
| Hawthorn Berries | | Hawthorn Berry Native Solid Extract, 6.5 OZ | $51.99
US | $38.99
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| Lomatium | | Lomatium Root Fresh Liquid Extract, 1 OZ | $21.43
US | $16.07
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| MSM (MethylSulfonylMethane) |  | MSM 1000mg, 60 Capsules | $11.99
US | $8.99
US |
| Magnesium |  | Magnesium / Malic Acid - Super Potency, 180 Caplets | $18.27
US | $13.70
US |
| Magnets (Bio) & Water Magnets |  | Magnets - Leg / Arm / Ankle wrap, 18" | $39.28
US | $29.46
US |
| Malic Acid | | Magnesium / Malic Acid - Super Potency, 90 Caplets | $9.92
US | $7.44
US |
| Maternity | | Maternity One MultiVitamins w/Beta Folic, 60 Caplets | $19.93
US | $14.95
US |
| Milk Thistle |  | Milk Thistle Plus STD 80% 450mg, 60 Capsules | $20.07
US | $15.05
US |
| Multi-Vitamins / Minerals |  | MultiVitamins with Extra Vitamin B's, 60 Tablets | $7.99
US | $5.99
US |
| Protein - Whey & Soy | | Whey Protein Powder - Chocolate, 400 Grams | $22.08
US | $16.56
US |
| Red Clover |  | Red Clover 350mg, 60 Capsules | $9.07
US | $6.80
US |
| Reishi | | Reishi / Bupleurum Supreme, 1 OZ | $25.23
US | $18.92
US |
| Rutin | | Rutin (from Eucalyptus), 90 Tablets | $8.39
US | $6.29
US |
| Salmon Oil |  | Salmon Oil 500mg Canadian North Atlantic, 90 Capsules | $9.13
US | $6.85
US |
| Selenium |  | Selenium 200mcg, 90 Tablets | $9.32
US | $6.99
US |
| Shark Cartilage / Liver Oil |  | Squalene, North Atlantic 1000mg, 60 Capsules | $19.55
US | $14.66
US |
| Silica |  | Organic Vegetal Silica 15mg, 90 Capsules | $18.76
US | $14.07
US |
| Soy Isoflavone |  | Soy Isoflavone Extract 300mg, 60 Capsules | $25.15
US | $18.86
US |
| Spearmint | | Lomatium / Spilanthes Supreme, 1 OZ | $21.43
US | $16.07
US |
| Spirulina |  | Spirulina 400mg 60 Capsules, 60 Capsules | $12.57
US | $9.43
US |
| Tribulus Terrestris |
| Tribulis Terrestris 500 mg 500 Capsules, 500 caps.lbs | $87.96
US | $65.97
US |
| Viagra Natural / Aphrodisiacs |  | Passion-6 Natural Aphrodisiac for Women, 90 Capsules | $41.00
US | $30.75
US |
| Vitamin A |  | Vitamin A - 10,000 I.U., 90 Capsules | $6.65
US | $4.99
US |
| Vitamin B | | Vit B - Anti - Stress B Compound 50mg, 60 Tablets | $13.32
US | $9.99
US |
| Vitamin C |  | Sunkist Vitamin C - 500mg, 90 Tablets | $6.65
US | $4.99
US |
| Vitamin E | | Vitamin E Pure *Research Quality* 400iu, 60 Softgels | $17.32
US | $12.99
US |
| Weight / Bulk / Mass Gainers |  | Supreme Mass Chocolate, 10 lbs | $94.77
US | $71.08
US |
| Whey Protein Isolate | | Whey Protein Isolate - Chocolate, 2 lbs | $36.79
US | $27.59
US |
| Wild Yam | | Wild Yam Root Powder 500mg, 90 Capsules | $11.92
US | $8.94
US |
| Zeaxanthin | | Betatene (Mixed Carotenoids) 20 LP 20, 90 Tablets | $13.65
US | $10.24
US |
| Zinc |  | Sunkist Zinc Lozenges w/Ech & C - Orange, 16 Lozenges | $3.05
US | $2.29
US |
All Prices in US$. Click the flag for CDN$ prices.
Immunity is the body's defense against foreign substances. Its major function is to combat infectious microorganisms (bacteria, viruses and parasites) but it also protects against drugs, toxins, and cancer cells. Immunity is partly non-specific since it does not depend on previous exposure to the foreign substance. For example, microorganisms are engulfed and inactivated by polymorphonuclear leucocytes as a first line of defense before specific immunity has developed. Acquired immunity depends on specific recognition of the foreign substance and is the usual outcome of natural infection or prophylactic immunization. Foreign substances which provoke an immune response are termed 'antigens'. These are usually proteins but smaller molecules such as drugs and chemicals can also induce an immune response. Proteins are taken up and processed by specialized cells called 'antigen presenting cells', strategically sited where microbial infection may enter the body. The complex protein molecules are broken down into short amino-acid chains (peptides) and transported to the cell surface where they are presented by structures called HLA antigens. These antigens are the human form of histocompatibility antigens which confer individuality on the cells of most mammalian species.
Foreign peptides presented by Human Leucocyte Antigen (HLA) molecules are recognized by cells called T lymphocytes. These originate in the bone marrow and migrate to the thymus where they are educated to distinguish between foreign peptides which elicit a primary immune response and self-antigens which do not. Nonresponsiveness to self-antigens is termed 'tolerance' Each population or clone of T cells is uniquely responsive to a single peptide sequence because it expresses a surface molecule ('receptor') which fits only that peptide. The responsive T cell clone induces a specific response in other T and B lymphocyte populations. Cytotoxic T cells penetrate infected tissues and kill cells which express peptides derived from invading microorganisms, thereby helping to eliminate the infection.
B lymphocytes secrete antibodies which are collectively termed gamma-globulins or immunoglobulins (1g). Each B cell population (clone) secretes antibody uniquely specific for antigens encountered in the blood, extracellular space, and the lumen of organs such as the respiratory passages and gastrointestinal tract. Antibodies belong to different Ig classes; IgM antibodies are initially synthesized followed by smaller and therefore more penetrative IgG molecules. IgA antibodies are adapted to cross the surfaces of mucosal tissues so that they can adhere to organisms in the gut, upper and lower respiratory passages, thereby preventing their attachment to the mucosal surface. IgE antibodies also contribute to mucosal defense but are implicated in many allergic reactions.
Antibodies are composed of constant portions, which distinguish antibodies of different class, and variable portions, which confer unique antigen-binding properties on the product of each B cell clone. In order to match the vast range of antigens the immune system has to combat, the variable portions are synthesized under the instructions of many encoding genes whose products are assembled to make the final antibody. The antibody produced by a single B cell clone is called a monoclonal antibody; monoclonal antibodies are synthesized in vivo and in vitro for diagnostic and therapeutic purposes. Primary immune responses induce memory for the initiating antigen which persists in selected lymphocytes. Further challenge with the same antigen stimulates an accelerated, more vigorous secondary response by both T and B lymphocytes. Priming the immune system in this manner forms the physiological basis for immunization programmes.
Populations of lymphocytes with different functions and other cells engaged in immune responses carry distinctive protein markers. By convention these are classified and enumerated by their 'CD' markers, using monoclonal antibodies specific for each marker.
Immune responses are influenced by cytokines which function as hormones acting over a short range to accelerate the activation and proliferation of other cell populations contributing to the immune response. Specific immune responses collaborate with non-specific defense mechanisms. These include the complement system, a protein cascade reaction designed to eliminate antigens neutralized by antibodies and to recruit cell populations which kill microorganisms.
Immunization is the introduction of antigens into a body (by injection, orally or via a nasal spray) to provoke immunity usually against infectious diseases such as whooping-cough, measles and poliomyelitis.
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Acidophilus & Bifidus, Cayenne Pepper, Coenzyme Q10, Echinacea, Essiac - Herbal Cancer Remedy, Evening Primrose Oil, Garlic, HerbInfo - American Ginseng, HerbInfo - Cayenne, HerbInfo - Echinacea, HerbInfo - Evening Primrose Oil, HerbInfo - Garlic, HerbInfo - Ginger, HerbInfo - GoldenSeal, HerbInfo - Korean Ginseng, HerbInfo - Licorice, HerbInfo - Siberian Ginseng, Magnets, Puncture Vine - Nature's Viagra, The B-Vitamins, webber Energy
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