Everyone is different… Artificial sweeteners can cause some people to stall in their weight-loss efforts. There are some that are better than others. You have to read labels and ultimately use sweeteners with the lowest Glycemic Index (GI) impact, assuming your body tolerates them! These are going to be natural (found in nature!) and Sugar Alcohols. The following link breaks it all down.

The Best and Worst Low Carb Sweeteners