I don't think so. It's pretty easy to do an informal single-blind trial on yourself with the help of a friend, or a double-blind with a little more ingenuity. I

I don't think so. It's pretty easy to do an informal single-blind trial on yourself with the help of a friend, or a double-blind with a little more ingenuity. If you're worried about the placebo effect it's a good way to put yourself at ease.