Welcome to The Medifast Plan, the independent source for Medifast diet info. Get the latest Medifast coupons and learn about the program with our in-depth coverage and resources.

While we feature the Medifast diet, we are also blog on the latest diet, nutrition, and health news. So, you can stay up to date on the latest nutritional science and learn healthy approaches to fighting obesity throughout the weight loss process.

Enter DietScienceNews.com

by TMP Editor on June 17, 2014

Greetings dear readers. In an effort to better reflect our overall mission and upcoming strategic transition, we will soon be switching the name of our website. We will no longer be themedifastplan.com and will move to the new URL of DietScienceNews.com. We are hoping to have this transition completed in the upcoming days.

What does this mean to you? Nothing much to start with. We still love Medifast and will continue to promote what we view to be the most effective commercial diet on the market. However, you have probably noticed that we cover a lot of general diet and nutrition news in our blog posts. We are going to continue in this direction and develop a more agnostic approach to our views of the dieting industry.

We look forward to continuing this journey with you as we refine our quest for real, science based diet and nutrition news.


Americans are exercising more, but they aren’t getting much slimmer. Exercise is an essential part of a weight loss strategy, but portion control could be more important. The challenge is to maintain a balanced diet that provides the nutrition necessary to remain healthy while eating less.

Medifast Twice as Effective

When it comes to portion control, a recent trial found that the prepackaged food regimen featured with Medifast helped people lose twice as much weight compared with dieters who tried to match the same nutrition and calorie count on their own.

Exercise can’t overcome poor diet

A new study from the University of Washington’s Institute for Health Metrics found that in the last decade, the percentage of Americans who got sufficient weekly exercise increased from 46.7 to 51.3. In a report on the study published in the journal Population Health Metrics, the researchers concluded that this increased physical activity has done little to reduce the U.S. obesity rate.

According to the Centers for Disease Control and Prevention, more than a third of Americans are obese. A separate report by the institute published in the Journal of the American Medical Association identified poor diet as the primary reason why Americans are so unhealthy compared to other developed countries.

The portion control solution

Another study, published in the April 2013 issue of the International Journal of Obesity shows that a prepackaged portion control diet plan can be a viable solution to this intractable problem.

Researches at Tufts Medical Center in Boston conducted a rigorously controlled year-long study comparing the results of dieters on the Medifast 5 & 1 Plan with dieters given advice on how to achieve the same nutrition and calorie intake independently.

A total of 120 men and women from 19-65 years old with body mass indexes ranging from 35 to 50 were randomly assigned to two equally sized groups. The study included a 6-month weight loss phase and a 6-month weight maintenance phase.

Medifast results

At the end of the weight loss phase, people in the Medifast group lost an average of 16.5 pounds (6.7 percent of their starting weight). Those buying and preparing their own diets lost an average of 8.4 pounds (3.4 percent of their starting weight. The Medifast dieters shrank their waists an average of 2.24 inches compared to 1.46 inches for independent dieters. Total cholesterol dropped an average of 8.4 mg for the Medifast group compared to 1.1 mg for the independent group.

Often after a significant caloric restriction a few pounds return as the body seeks equilibrium and the Medifast plan was no exception. However, overall weight loss for the Medifast dieters was an average of 10 pounds, more than twice that of the independent group at 4.4 pounds.

The Medifast 5 & 1 Plan

The Medifast 5 & 1 Plan consists of five pre-packaged meals each day designed to supplement one meal of vegetables and protein prepared at home. The portion control program offers 70 prepackaged foods arranged in multiple combinations totaling 1,000 calories a day. Medifast dieters also receive access to dieticians and recipes for the home-cooked aspect of the plan, which costs about $300 a month.

Source: International Journal of Obesity, HealthWatch MD, Los Angeles Times



According to the Department of Agriculture, Americans consumed about 27 pounds of fructose per capita in 2014. Most of this fructose comes in the form of high fructose corn syrup added to processed foods. New research suggests this massive fructose infusion could be altering our DNA to increase our risk of developing the most common chronic diseases afflicting mankind, including diabetes, heart disease and Alzheimer’s disease.

However, there’s also good news from this research, conducted by scientists at UCLA, who claim their study is the first to investigate how fructose affects genes that control metabolism and brain function. It appears that the omega 3 fatty acid known as DHA could help reverse the genetic damage wrought by heavy doses of fructose.

Fructose vs DHA

The researchers trained rats to navigate a maze, then separated them into three groups: one group drank water spiked with the fructose equivalent of a human drinking a liter of soda per day. Another was given the fructose cocktail to wash down a DHA-rich diet. The third group drank plain water and received no DHA.

After six weeks, the rats returned to the maze. The rats drinking plain water navigated the maze in half the time required for the rats on fructose. The rats on fructose and DHA navigated the maze as fast as the rats drinking plain water. The results suggested that DHA offset the detrimental effects of fructose in some way.

Western diet and disease

After sequencing more than 20,000 genes in the rat brains, hundreds of genes comparable to genes in humans, were identified that interact to regulate metabolism, cell communication and inflammation. According to the researchers, alterations to those genes are associated with Parkinson’s disease, depression, bipolar disorder, and other brain diseases.

The research sheds new light about how the Western diet has a tendency to increase the risk of chronic disease. It also suggests that avoiding high fructose corn syrup and finding ways to increase DHA intake is wise for people interested in protecting their bodies and minds.

Avoiding fructose

Start by phasing out the sodas that seemed to impair the rats in the UCLA study. Minimizing your fast food intake will keep a great deal of fructose out of your system. Developing a habit of reading food labels will also show you how pervasive fructose is in the American food supply. This insight could motivate you to minimize your intake of prepared and processed foods—just about anything that comes boxed, canned or shrink-wrapped.

Boosting omega 3

Staying away from prepared and processed foods will make it necessary to buy fresh foods and learn how to cook them. Cooking with fresh ingredients is a great opportunity to increase your intake of DHA. DHA is shorthand for docosahexaenoic acid, a form of an omega 3 fatty acid. Research has shown that getting your omega 3s from foods is the best way to reap their health benefits. The body can’t absorb them very well in the form of supplements.

The most basic omega 3 is called alpha linolenic acid, or ALA. Most common vegetables, fruits, grains and meats contain ALA. Most people can eat foods with ALA and rely on their bodies to transform it into DHA and another essential omega 3 called eicosapentaenoic acid, or EPA. To focus specifically on DHA food sources, develop a taste for fish, fish oils, eggs and dairy products.



World’s Healthiest Foods

DHA-EPA Omega 3 Institute




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The health hazards of eating fast food have been well documented, but research continues to uncover new reasons to pack your own lunch. Recent research has found that fast food eaters regularly introduce industrial chemicals known as phthalates into their bodies. Phthalates, which are used to soften plastic and vinyl for food packaging, are “endocrine […]

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What is your exercise equivalent to burn off a bag of chips?

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If you knew how hard you must exercise to burn off the calories in a donut or a bag of chips, would you make a healthier choice? A group of British health care professionals proposing an “activity equivalent” be printed on food labels believes that you probably will. A few studies have been done suggesting […]

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Is new evidence your green light to indulge full-fat dairy?

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Conventional wisdom says that because fat has more than twice the calories than protein or carbohydrate, low fat dairy products will lower your risk of obesity and diabetes. A new study has found that the opposite could be true, suggesting that whole fat dairy could have a protective effect. It’s among the latest evidence that […]

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Cancer link suggested with carbohydrates in processed foods

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There’s a popular notion going around today that sugar feeds and speeds the growth of cancer. That’s not true, but eating too much sugar, and the refined carbohydrates in processed foods, could make you overweight or obese, which will increase your cancer risk. This is supported by science and among the most recent evidence is […]

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How salty foods can make you crave fat and gain weight

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It’s believed that most Americans eat too much salt. Processed foods train us to expect a salty taste from very early ages. New research suggests that the high salt content in our food supply could be making us over-consume fatty foods as well. For most people, eating too much salt and fat will ultimately lead […]

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How exercise burns calories, curbs appetite at the same time

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For some people, cutting calories is a lot easier than exercising more to lose weight, while others would rather go to the gym more often than eating less. Which approach is going to work better? Recent research suggests boosting your exercise level could help you eat less by curbing your hunger pangs. Therefore to be […]

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Eat more foods rich in vitamin C, reduce your cataract risk

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Cataracts are the most common cause of vision loss for people over 40, and the primary cause of blindness worldwide. New research suggests that adding more vitamin C to your diet with food, not supplements, could reduce your risk of developing cataracts. Yet its been estimated that more than 30 percent of Americans aren’t getting […]

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Drink more water to eat healthier and lose more weight

March 24, 2016

One of your most powerful resources for losing weight and getting healthier is plain old tap water. The latest study to investigate the health benefits of drinking water has found that increasing your intake throughout the day by a mere one percent could be enough to improve your diet. Evidence also shows that adding the […]

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Get screened for prediabetes and start losing weight now

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The typical trajectory of chronic disease in America today starts at obesity, transitions into type 2 diabetes and progresses with cardiovascular disease, heart attack and stroke. The Centers for Disease Control and Prevention (CDC) estimates that one in three Americans is in a precarious state called prediabetes. Left unchecked, prediabetes inevitably becomes type 2 diabetes, […]

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