If you ask for Siberian ginseng by name in a Chinese herb shop, you’re likely to be met with bewilderment. Eleutherococcus senticosus is more properly called eleuthero, since botanically, it’s not a gingseng.
Licorice should be used with caution by those taking prescription diuretics and some heart medications.
Some studies suggest that St. John’s wort may interfere with a function of the digestive system, raising or lowering the levels of some drugs in the bloodstream.
American skullcap has long been traditionally used as a gentle sedative. Now researchers have discovered it contains two of the same sedative compounds as its better-researched Chinese relative, Baikal skullcap.