They weren't serving it with food. It was a capsule by itself, at bedtime. don't fixate on oyster sauce; I just picked something at random. However, the larger

They weren't serving it with food. It was a capsule by itself, at bedtime. don't fixate on oyster sauce; I just picked something at random. However, the larger point remains: this "study" is garbage. There are probably people who'll start buying "wasabi" and feel all healthy & virtuous, so there's your placebo effect right there.