After I had my son and quit breastfeeding I still had about fifteen pounds I needed to loose to go back to my previous weight. I started trying everything and nothing seemed to truly work. Finally a coworker at the time told me she used these and lost twelve pounds in three weeks. I decided to give them a try, and it was a great decision. They give you a great energy boost without the jittery feeling or a crash later. Usually I decide I will start working out but by the end of the first week it starts to become spur attic until eventually I just quit. These gave me the extra energy to keep my workout routine daily and by the end of my fourth week I had lost the weight I wanted to. It was so simple just swallow a pill and see results, you just feel better taking them to! Effectiveness I lost the weight I wanted to before the first bottle was finished. Side Effects Gives you an extra energy boost, without a crash feeling later.