A wide range of diets and eating patterns have gained popularity in recent years. High-protein diets in particular are popular because of how effective they are. The Protein-Sparing Modified Fast is no exception. This article explains what the diet it is and who may be appropriate to give it a go.  What is a Protein-Sparing Modified Fast (PSMF)? A Protein-Sparing Modified Fast (PSMF) is a very low-calorie diet designed to help you lose a lot of weight quickly. “Protein-sparing” refers to the diet’s main goal, which is to maintain muscle mass while losing fat. It has been around since the 1970s, when physicians began researching the diet as a way to help severely obese patients lose weight. The term now refers to many varieties of very low-calorie diets, many undertaken without medical supervision. This is very risky, as we will … Continue reading The Beginner’s Guide To A Protein-Sparing Modified Fast (PSMF)