The goal is to increase the efficiency of the metabolism, helping followers lose weight faster than they would through diet alone.

Phase 1 can be very restrictive and difficult for some to maintain. Some critics also note that while interval walking is effective, it may not be enough for those already at a high fitness level.

Published in 2008 by Dr. Arthur Agatston, is an updated evolution of the original South Beach Diet. It maintains the core nutritional philosophy of the original program—emphasizing "good" carbohydrates and "good" fats—while introducing a new, structured exercise component designed to accelerate metabolic rate. Core Nutritional Philosophy

It is generally considered more balanced than other low-carb diets because it encourages fiber and heart-healthy fats. The inclusion of an exercise plan makes it a more holistic lifestyle program.

The "Supercharged" version adheres to the classic three-phase approach intended to stabilize blood sugar and eliminate cravings: