A quick search on this and glance at some study conclusions had me buying a kilo of the Bulk Supplements extract which is supposedly standardized at 22% Glycyrrhizin...The compound from the licorice root is the same as in green pine needles or star anise fruit. The latter has been used in Chinese medicine for a couple thousand years. When properly (cheaply) processed you extract the compound shikimic acid.
That is the same compound used in Tamiflu. The natural method is obviously inferior to the pharmaceutical version.
We have a routine around my place that we fire up whenever someone is feeling like they are coming down with something. Seems to work good for us.
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