A healthier diet and exercise regimen can help a person lose weight and get fit once again. They may be enthusiastic as they begin their program, but there could be roadblocks along the way. Some people find they hit a plateau. When this occurs, they may have to find new options. Those able to achieve their initial goal might find that sustaining their new weight and fitness level could require sustainable fitness choices for the future. A look at some of the options could be helpful.