the story. Reporter: You have seen the commercial for decades. The plant best known for growing into this and this was once the diet staple of the ancient aztecs. They probably didn't grow it like... See More
the story. Reporter: You have seen the commercial for decades. The plant best known for growing into this and this was once the diet staple of the ancient aztecs. They probably didn't grow it like this either. Spread the seeds and watch it grow. Reporter: It's now the key ingredient in a new diet. Sprouting more than enterta entertainment for kids. The aztecs were the most healthy people. They had the best agriculture AVAILABLE.eporter: Dr. Bob arnot created the plan in his new book. It's not the plant or the company that makes the famous ads at the center of this three-phase diet. It's the seeds. Packed with proteins, omega-3z, firks and other neutrientnutrients. It is a miracle food. I starved myself to get under 203 pounds. Reporter: There's beans, corn, turkey, fish, and quinoa. He's been compensated by life max, a company that distributes the seeds. He says following the diet plan, he's lost 13 pounds. The seeds are healthy for you. It's not a magic seed that will transport you in the land of skinny jeans. Reporter: This man has experienced a 20-pound transformation. He's eager to lose more. Do you attribute it to chia? Definitely. Reporter: He made his smoothie. Your base, your mixer, your veggie, your fruit. What's next? Honestly, adding chia. Reporter: Another advocate, rachel. I went and got a personal trarn. I have never done that. After two months of work, I had lost three pounds. Reporter: Three months after adding chia into her smoothies, she saw results. I went from a size 14 to a size 8 in jeans. Reporter: For "good morning america," rachel smith, abc news, jacksonville, florida. I gotta say, I'm on board. You seem to be enjoying it. Yeah, it's good. Cheers. Stake with it for 30 days, guys. And get back to us on it. A lot more recipes on "good
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