http://www.theage.com.au/lifestyle/d...05-1376ec.html

"Among the attorney general's findings was a popular store brand of ginseng pills at Walgreens, promoted for 'physical endurance and vitality,' that contained only powdered garlic and rice," reports the New York Times.
"At Walmart, the authorities found that its ginkgo biloba, a Chinese plant promoted as a memory enhancer, contained little more than powdered radish, houseplants and wheat – despite a claim on the label that the product was wheat- and gluten-free."