$PSYC PsyKey's functional mushroom-infused coffee is created by combining the highest quality, 100% fair trade organic Arabica coffee beans with powerful functional mushrooms, that have been used and consumed for thousands of years. These mushrooms provide a functional benefit to your great-tasting cup of coffee. Used in eastern traditional medicine for thousands of years and said to promote a stronger memory and sharper focus to boost the immune system and increase recovery times, functional mushrooms will truly help optimize your routine.