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How are herbal products standardized?

To standardize an herb, one plant chemical is used as a marker and extracts are produced to have the same, standardized concentration of the marker substance. This process is necessary because the chemical composition of plants varies widely. Factors that influence chemical composition include the plant variety, the part of the plant used, the age of the plant at harvest, and the growing conditions, such as soil, temperature, and water.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.