Oprah Winfrey’s influence — sometimes referred to as the “Oprah Effect” — has propelled countless individuals, products, and ideas into the public sphere.
That influence may even extend to her personal trainer, Bob Greene, whose “Best Life” program endorses consumer products that promote healthy living.
According to a recent Nielsen report, products featuring Greene’s “Best Life” seal of approval on their packaging easily outsold traditional food and beverage products. 
In 2008, brands endorsed by “Best Life” generated a 9.2% dollar sales increase, year-over-year, while all food and beverage products increased by just 4.6% …