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, ...
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 ...