Of course, there's no guarantee that with a limit order that you will get filled; your order could expire at the end of the day if nobody accepts your bid.
8 pounds) more weight loss compared to placebo, over a period of 12 weeks. They found no difference in appetite between groups (8). Overall, I looked at 4 more studies. Two of them showed weight loss of a few pounds over a period of 8 weeks (9, 10), but the other two showed no effect (11, 12).