I've heard of it and even seen it advertised as being sold, but the delivery is through a viral vector as it is a gene. This isn't about amplifying what you already have; this is about adding genetic material to what you already have. I'm willing to toss the dice when it comes to some supplements and chemicals, but this would be one that I would HIGHLY suggest getting from a legit source like a lab who you actually know and not off the net...which means you would have to get it illegally, but this is going into dangerous territory. I'd suspect that anybody selling it on the net is selling something that doesn't work anyway as viral vectors are tricky to do in the lab with a rat, but messing with your DNA is something that you won't be able to undo should things go wrong.