For many years, experts at the famous Cleveland Clinic have used a special ultra low-calorie, protein-rich strategy to speed off excess pounds. Called a "protein-sparing modified fast," or PSMF diet, ...

Sparing Modified Fast (PSMF) diet includes a high amount of protein and a low amount of carbohydrates. It is a short-term ...

From cutting carbs to weekly injections and strategic fasting, these three women found dramatically different paths to ...

The switch-on diet is about consuming an extremely low-calorie and high-protein meal during fasting periods. Hence, it is not sustainable ...

Medically reviewed by Kayla Girgen, RD Both low-carb and keto diets restrict how many carbohydrates you can consume per day, emphasizing high-protein foods and healthy fats instead. Keto is a more ...