Some researcher think that artificial sweeteners are even worse for you than sugar. They fool your body into thinking you are getting calories, but then don’t follow through. Your body decides it wants calories and you get cravings.
Artificial sweeteners are associated with cancer and may lead to poor insulin response and elevated glucose levels.
These oppose your fitness goals by contributing to fat storage, metabolic syndrome, type 2 diabetes, and cardiovascular disease. You get nothing healthy from artificial sweeteners.