Herbal nutritional supplement boosts the immune system and make the body more resistant to disease. The following are herbal nutritional supplements that have been known to help build the natural defenses:

Echinacea. This herbal nutritional supplement is considered the king of immune herbs. As of the moment there are more than 300 echinacea products distributed worldwide. Echinacea increases the activity of the three immune system's components: T-cells, interferon and natural killer cells. Echinacea also destroys viruses and bacteria. And it makes cells stronger and more resistant to invasion.

Other herbal nutritional supplement can be derived from astralagus which is used in china to enhance vitality and healing. Licorice is another herbal nutritional supplement that helps strengthens the immune system. Bupleurum is another Chinese herbal nutritional supplement that improves immune system activity. Skullcap and ginseng are important herbal nutritional supplements too. These herbs do not only boost the immune system but also stops the development of certain viruses and makes uninfected cells more resistant to invasion. Siberian ginseng and ginseng are also herbal nutritional supplement that help the body adapt in a number of ways, counter stress and improve immunity.

Herbal nutritional supplements that are adaptogens and immunity-enhancers are Ayurvedic herb ashwaganda, Chinese shizandra, calendula, chamomile, burdock, baptisia, red clover, yellow dock, yucca and marshmallow. All these herbs improve the responses of the immune system and decrease the number of cancerous cells. Other herbal nutritional supplements that are effective in promoting the immune system include: garlic, shiitake mushrooms, and gamma linoleic acid (GLA) which is found in evening primrose oil.

A study made by Italian researchers revealed that thyme, lavender, bergamot, lemon, eucalyptus, tea tree, rosemary, back pepper, cardamom and ginger stimulate immunity.
Cat's claw is another important herbal nutritional supplement is used to treat a variety of disorders such as rheumatoid arthritis, gastric ulcers, colitis, Crohn's disease, inflammation, allergis, herpes, candida and leaky bowel syndrome often linked with food allergies, cancer and AIDS.

The following are recipes that can be used as herbal nutritional supplements:
Immune Tincture
teaspoon each tinctures of pau d'arco bark, licorice root, astragalus root and bupleurum root
Combine ingredients. Take 1 dropperful of formula twice a day for a few weeks at a time to build up your immune system, or 4 to 6 times a day during an active infection or other immune-related problem.
Lymph Drainer
teaspoon each tinctures of echinacea root, red clover flowers and cleavers leaves
Combine ingredients. Take half a dropperful 4 to 8 times daily during an active infection.

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