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NCCAM उवाच:Herbal Supplements– Consider Safety, Too March 18, 2007

Posted by prasannam in Articles, संशोधन.
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Herbal supplements are a type of dietary supplement that contains herbs, either singly or in mixtures. An herb (also called a botanical) is a plant or plant part used for its scent, flavor, and/or therapeutic properties. Many herbs have a long history of use and of claimed health benefits. However, some herbs have caused health problems for users.It’s important to know that just because an herbal supplement is labeled “natural” does not mean it is safe or without any harmful effects. For example, the herbs kava and comfrey have been linked to serious liver damage. Herbal supplements can act in the same way as drugs. Therefore, they can cause medical problems if not used correctly or if taken in large amounts. In some cases, people have experienced negative effects even though they followed the instructions on a supplement label.

The active ingredient(s) in many herbs and herbal supplements are not known. There may be dozens, even hundreds, of such compounds in an herbal supplement. Scientists are currently working to identify these ingredients and analyze products, using sophisticated technology. Identifying the active ingredients in herbs and understanding how herbs affect the body are important research areas for the National Center for Complementary and Alternative Medicine (NCCAM).

Published analyses of herbal supplements have found differences between what’s listed on the label and what’s in the bottle. This means that you may be taking less–or more–of the supplement than what the label indicates. Also, the word “standardized” on a product label is no guarantee of higher product quality, since in the United States there is no legal definition of “standardized” (or “certified” or “verified”) for supplements.
Some herbal supplements have been found to be contaminated with metals, unlabeled prescription drugs, microorganisms, or other substances.

There has been an increase in the number of Web sites that sell and promote herbal supplements on the Internet. The Federal Government has taken legal action against a number of company sites because they have been shown to contain incorrect statements and to be deceptive to consumers. It is important to know how to evaluate the claims that are made for supplements

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