But the company cannot point to any independent peer-reviewed studies vouching for its effectiveness.

FORBES: On the Docket

Confidential to readers who wrote me vouching for the exemplary behavior and loving companionship of their own bunnies: Thank you for commenting.

FORBES: PETA Responds: Vintage is No Way To Wear Fur

Chief executives are being asked to clean up their acts--including the reining-in of pay packages and vouching for the integrity of their companies' accounting.

FORBES: The softest pillow

Hamidullah played with his wisp of facial hair as he told of how his family has collected letters from district officials vouching for his identity as a farmer and not a Taliban fighter.

NPR: Fighting Season Is Testing Ground For Afghan Force

But if they have someone vouching for them, someone they know to be very successful - Bernie Madoff was the chairman of NASDAQ, an advisor to the SEC, he was someone who had within his circle of clients enormously successful people.

NPR: Successful Madoff Investors Worry About Lawsuits