Supplements for cold and flus contain many effective vitamins and herbs. They can be taken as preventative action for strengthening the immune system or during a cold or flu to reduce the severity and duration of symptoms. These include Vitamin A & C, Echinacea, Garlic, Horseradish, Olive Leaf, Bioflavonoids, Selenium, Zinc, Rosehips, Shitake Mushroom and Chinese Herbal combinations.
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