Secret Shopper: Should I worry about rice protein in supplements and other packaged products?Secret Shopper: Should I worry about rice protein in supplements and other packaged products?

Each month, Natural Foods Merchandiser's secret shopper heads incognito into a natural products store with a question. The employee's answer—and our expert's evaluation of the response—is reported here. Our aim: to help you improve your store's customer service. This month we visited a store in the Pacific Northwest to ask about rice and heavy metals.