Transcript for Fat Blocking Pepsi Special: New Soda Hits Stores in Japan
All of you soda lovers listen up. Diet soda is one thing. But what if there were a drink that could get rid of fat? That's the dream pepsi is selling in japan. Pepsi special hits stores today. Nick watt has the story. Reporter: It's pepsi. But not as we know it. Launched today in japan, with the specials, pepsi special. And the claim, it might make us thinner by slowing the absorption of fat. Pizza that tightens your six-pack? Anti-aging ice cream. Mayor bloomberg, with a ban on sugary drinks. Pepsi special is only a japanese A pepsico spokesman told us. They have had pepsi pink, that's strawberry milk flavor. And pepsi salty watermelon. Will the pepsi special sell over here? If I told you there was a soda that can make you lose weight, would you believe me? Sure. Reporter: Would you buy that soda? If it was proven to work. Reporter: We need somebody with a white coat. If I was trying to lose weight, would you advise me to drink this soda? Absolutely not. Reporter: Why not? The theory is to move the fat out of the body. Reporter: The key ingredient is called dextrin, a fiber. Butritionists think that all soda is unhealthy. It does. We're calling it -- they call it pepsi poop. Is that true? It's not mentioned in the tv commercial. I wonder why. For "good morning america," nick watt, abc news, los angeles. I'm sorry. A new term. I didn't see that ad. That was a surprise twist. Yeah. It escorts the fat out of the body. You know what helps burn fat? Here's an idea. How about workout? How about that, sam? You want to ride on the unicorn?
This transcript has been automatically generated and may not be 100% accurate.