The protein-sparing modified fast (PSMF) is a very low calorie diet designed for quick, short-term weight loss. It’s typically unsustainable and likely to lead to weight regain. Share on Pinterest ...

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, ...

"Rapid weight loss is possible, but it is not sustainable," said the health coach. Weight loss diets are a topic of daily discussion on social media. Be it diet tips to burn fat or workouts to shed a ...