I have used Obvi for several months now and was without it for only a month but the difference in my energy levels was very noticeable. I talked my husband into ordering it and taking it along with me as he stated he needed to loose weight. The first day I ask him how his energy level was and if just one day he could tell a difference. He said yes that was two days ago (Thursday). Today (Saturday) he ask me “ did you take the pink pills?” I said yes he said “ I forgot to take mine” so I say 10-10 for the win!!! Don’t guess I will have to wait for MY OBVI again…lol