Just for fun, I will try it, if I can get a hand on it.
By the way, I have tried Synlube, too. In one car, I drove it 73000 kilometers(some 46000 miles) without changing the oil.
The engine became less noisy and smoother, a small reduction in fuel consumption as well as a 75% reduction in oil consumption, is my main experience with Synlube.
I would still be using it, if it wasn't for the fact that I like to try different things, just to see what is working.
Have had a couple of surprising results, over the years.
And, some things that most people here says cannot be done, is quite possible.
I agree that this Miracle Plus looks like a scam/snakeoil company.
But, since I have an old car that I really would like to trash, I have nothing to loose. Besides, it's fun.