Anyone have any idea about SkinnyFibre?

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Today, I got a email from an unknown person. (Though I hate spams, I usually go through the mail and I usually check if the product is unfamiliar to me.) It was a promotional mail for SkinnyFibre. There's a form where I have to submit my name and email in order to get further information. I really don't want to do that, but I want more information. Anyone have any idea about it? Have you given a try? Please help.