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The Real Secret To Weight Loss: Increased Satiety

Posted by Dr. Barry Sears

Jan 24, 2011 12:11:04 PM
Dr. Sears' Blog: Increased Satiety: The Real Secret To Weight Loss


Satiety is defined as lack of hunger. If you aren’t hungry, then cutting back calories is easy. Unfortunately, Americans seem to be hungrier than ever. This is not caused by a lack of willpower but due to hormonal imbalances in the hypothalamus that tell the brain to either seek more food or spend time on more productive activities. So the real question is not what is the best diet for weight loss, but what is the best diet for satiety?


The anti inflammatory diet has been clinically shown to burn fat faster than standard, recommended diets (1-3) as well as decreasing hunger compared to standard, recommended diets (4,5). But then whoever said that standard, recommended diets (like the USDA Food Pyramid) are good? A better comparison might be the anti inflammatory diet versus a Mediterranean diet.

I have often said that the anti inflammatory diet should be considered as the evolution of the Mediterranean diet because of its enhanced hormonal control. So where is the data for my contention?


The first randomized controlled research appeared in 2007 using patients with existing heart disease (6). In this study, while both groups lost weight, it was only the group on a Paleolithic diet that had any benefits in glucose reduction. So what’s a Paleolithic diet? In this study it was one that supplied 40 percent of the calories as low-glycemic-load carbohydrates, 28 percent of the calories as low-fat protein, and 28 percent from fat (the remaining calories came from alcohol, which didn’t exist in Paleolithic times). That sounds exactly like the anti inflammatory diet to me, so I will simply call it that. On the other hand, the Mediterranean diet was lower in protein (20 percent) and higher in carbohydrates (50 percent) as well as containing far more cereals and dairy products than the anti inflammatory diet.


The interesting thing that came out of this initial study was that patients on the anti inflammatory diet were apparently eating fewer calories, but with greater satiety. So they repeated the study again with another set of cardiovascular patients, except they measured leptin levels this time. The results were exactly the same (7), that is the anti inflammatory diet was more satiating per calorie, and there was also a greater reduction in leptin levels. This makes perfect sense since improved glycemic control seen in the first comparison study (6) would have been a consequence of reducing insulin resistance. The decrease in the leptin levels in the second study (7) would have been a consequence of the reduction of leptin resistance. The most likely cause of this hormone resistance would be the anti-inflammatory benefits of the anti inflammatory diet because it decreases cellular inflammation. It’s cellular inflammation that disrupts hormonal signaling efficiency and causes hormone resistance.


So here we have two randomized controlled studies (6,7) that indicate the superiority of the anti inflammatory diet compared to Mediterranean diet relative to reducing hormone resistance as well providing greater satiety with fewer calories, just as demonstrated in earlier studies when the anti inflammatory diet was compared to standard recommended diets (4,5). It is increased satiety that is ultimately how you lose weight and keep it off. The anti inflammatory diet appears the easiest way to reach that goal.



  1. Layman DK, Boileau RA, Erickson DJ, Painter JE, Shiue H, Sather C, and Christou DD. “A reduced ratio of dietary carbohydrate to protein improves body composition and blood lipid profiles during weight loss in adult women.” J Nutr 133: 411-417 (2003).
  2. Lasker DA, Evans EM, and Layman DK, “Moderate-carbohydrate, moderate-protein weight-loss diet reduces cardiovascular disease risk compared to high-carbohydrate, low-protein diet in obese adults. A randomized clinical trial.” Nutrition and Metabolism 5: 30 (2008).
  3. Fontani G, Corradeschi F, Felici A, Alfatti F, Bugarini R, Fiaschi AI, Cerretani D, Montorfano G, Rizzo AM and Berra B. “Blood profiles, body fat and mood state in healthy subjects on different diets supplemented with omega-3 polyunsaturated fatty acids.” Eur J Clin Invest 35: 499-507 (2005).
  4. Ludwig DS, Majzoub JA, Al-Zahrani A, Dallal GE, Blanco I, and Roberts SB. “High glycemic-index foods, overeating, and obesity.” Pediatrics 103:e26 (1999).
  5. Agus MSD, Swain JF, Larson CL, Eckert E, and Ludwig DS. “Dietary composition and physiological adaptations to energy restriction.” Am J Clin Nutr 71: 901-907 (2000).
  6. Lindberg S, Jonsson T, Granfeldt Y, Borgstrand E, Soffman J, Sjostrom K and Ahren B. “A Paleolithic diet improves glucose tolerance more than a Mediterrean-like diet in individuals with ischaemic heart disease.” Diabetologia 50: 1795-1807 (2007).
  7. Jonsson T, Granfeldt Y, Erlanson-Albertsson, Ahren B, and Lindeber S. “A Paleolithic diet is more satiating per calorie than a Mediterrean-like diet in individuals with ischemic heart disease.” Nutrition & Metabolism 7:85 (2010).

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