Just recently I realized that I had adrenal fatigue, from a very stressful life without fixed schedules (bedtime is never constant, I never eat my meals at a consistent time, and had candida previously, as well as addiction to coffee). After a day of taking this, I woke up feeling replenished; I haven't felt so rested since I was a kid, and always struggled to wake up in the morning. I noticed it keeps me up if I take it at night, so I tried using melatonin to correct that but woke up with heartburn. I am not reducing dose to two a day, avoiding nighttime.