Herbal supplements are made from natural plants and are used by some individuals to supplement traditional medical treatments. They are not considered drugs and are therefore not regulated by the Food and Drug Agency (FDA). This absence of regulation means that the effectiveness, quality, and quantity of the ingredients have not been independently verified.
It is likely that some herbs improve certain conditions. Many of today's pharmaceuticals originate from plants. Digitalis, used to treat congestive heart failure, initially came from the leaves of the foxglove plant. Taxol, from the yew tree is used for chemotherapy, belladonna is used for respiratory and gastrointestinal complaints, and many other medications are extracted from nature. Ethical pharmaceutical houses undergo stringent regulation to produce these as medications.
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