When the celebrity doc mentions a certain supplement, ingredient or food on “The Dr. Oz Show,” millions of Americans buy it. That has meant major sales boosts for a few lucky manufacturers, as well as for the companies that supply them raw materials and the retailers who carry these natural products. But Dr. Oz, along with other consumer health advocates, does something even more significant for the industry. Scott Steil, president of Nutra Bridge, which sells the Oz-endorsed 7-Keto weight loss ingredient, reveals what this is.