Dirty secret of your favorite, creamy Greek yogurt
Originally aired: Wednesday, July 24, 2013
No food is more trendy these days than Greek yogurt. But it has a dirty little secret. The secret is not in the yogurt itself, but the by-product of the yogurt-making process. It's whey, a thin watery substance with the acidity of orange juice. Some call it acid whey and it's not easy to dispose of.