Think about the media explosion there would be if such a thing existed. It would be all over the Internet and all over the news. The demand for the product would be relentless. I, personally, have never heard of it, which kinda indicates to me that there is no such animal.
Not according to any research I've turned up. You need to post a link to this "miracle additive" for me to even entertain this. And it needs to have bonafide proof, and not just the company's "say so". Just my opinion.