This is a fairly good product but you do need to eat write and exercise in order to see results. Both my friend and I used the product at the same time and I lost 3kg over 3weeks, where she lost 1kg but ate a lot of junk food at the same time. Massive energy hit in the morning which was great, but felt like it wore of by midday which I then had the next dose and it was great for. Didn't keep me up at night either.