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Echinacea is a herbal supplement that is supposed to boost the immune system and help calm mood.

Additional recommended knowledge

The primary constituent responsible for its activity are large sugar molecules called polysaccharides.

Echinacea is a popular natural product all over the world, especially used to treat colds.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Echenacia". A list of authors is available in Wikipedia.
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