Things you need to be clear about are 1 the name of the plant and its species 2 the part of the plant eg the root leaf flower or bark and 3 whether the product was made of the whole plant part such as root powder which is dried root made into a powder or just key compounds extracted from that part of the plant ie a root extract. As a cough and respiratory agent 2 grams of the root should be put into one cup of cold water soaked for two hours and then gargle.
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