Any pill you take to improve your performance or health will have some sort of placebo effect. Whether it has any actual effect over and above placebo requires

Any pill you take to improve your performance or health will have some sort of placebo effect. Whether it has any actual effect over and above placebo requires a double-blind RCT. As far as I'm aware, there is no evidence that it has any effect over placebo, and the science says it shouldn't. People take all sorts of dubious supplements...