Googles PSMF
finds:
Fascinating...
An interview with Lyle McDonald, author of "The Rapid Fat Loss Handbook"
Wannabebig: How did you come up with the idea for this new diet?
Lyle M: Well, it's really not a new diet by any stretch. I mentioned the Protein Sparing Modified Fast (PSMF) back in my first book on ketogenic diets and the idea has been floating around since the 70's, when it was first developed. I think the major impetus to re-examine it (and make the changes I did) was looking at DiPasquales "Radical Diet" (which is just a PSMF retooled version of the Anabolic Diet) and Dr. Serrano's "Extreme Crash Diet". Both are essentially PSMF types of diets. So, I figured, why not jump on that bandwagon. Also I was a little disapointed that both of the other diets are so heavily supplement-based, when I think such a diet can readily be done around whole foods (I think this is also beneficial from the standpoint of re-teaching better eating habits).
Wannabebig: Who is the diet geared towards?
Lyle M: I made the book as general as possible, giving recommendations and specific changes based on initial body fat percentage and activity levels. Athletes involved in heavy training shouldn't really use such a diet, since they won't be able to sustain training intensity, but beyond that I tried to make it as general as possible.
Wannabebig: How long can you stay on this program?
Lyle M: It actually depends on starting body fat percentage. The leaner that folks are, the less time they should spend on it. So individuals who are 15% body fat or lower shouldn't use it for more than about 10-14 days tops. Fatter individuals may stay on it several weeks to a couple of months straight before needing a full diet break. There are a number of reasons that go into those recommendations one of which is metabolic slowdown. Leaner folks tend to have larger problems with metabolism crashing; there is also the issue that leaner folks are typically more active and staying on such a diet for too long will end up cratering training performance. The fatter people are, or the less active, the longer they can be on the diet. As well, empirically, fatter people don't seem to have as many problems with hunger and such staying on the PSMF for extended periods.
Wannabebig: What would you say is the most difficult part of this program dieters will face?
Lyle M: Probably hunger and the relatively small amount of food. Then again, a lot of people find that hunger goes away probably for the same reasons it occurs on a ketogenic diet. As well, if you're eating mainly whole proteins and the amount of vegetables I recommend, the amount of food you get to eat is decent. Some people also feel low-energy, just like on ketogenic diets.
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Naw - hunger isn't fun... cutting off body parts is easier..