Mushroom coffee is effectively exactly what it sounds like. It is coffee with mushrooms in it. In this case, it has coffee, so instant coffee, about 40 milligrams of caffeine in a full packet, which is very low. Generally speaking, a cup of espresso might have 80 milligrams. A really strong cup of coffee might have 150 milligrams. This is 40, but it’s combined with different types of mushrooms and substances….It has, in my case, a very profound cognitive effect. This has been something that I am using as a cognitive tool and just experimental food right now, which I’m fond of.