I used to take phentermine for weight loss in my 20’s and was addicted because of the energy boost, mental focus and the suppression of my appetite. Once I got off of them I was so low in energy, lack of focus and brain in a fog. So I ended up on them for years and I began experiencing psychosis and rage. The last time I took it was about 12 years ago. I just started again and to my surprise I am calm. I have been having difficulty handling stress lately with a racing mind. I thought I was tripping until I did a google search and found this post. I am not sure if they reformulated it because it feels way different from when I was younger.