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Medifast Diet Review: Does it Work?

One of the leading meal delivery and meal replacement diets serving men and women since 1980.

Top Rated Diets of 2017
What is it?

Medifast Diet is a weight loss plan offering over 70 prepackaged foods, and suggestions for healthy meals. The plan offers 6 meals a day. With an eating schedule that allows meals every 3 to 4 hours.

The diet plan is also known as the Medifast Achieve plan, and it’s said to be the company’s easiest and most convenient weight loss strategy. It’s said to help promote weight loss while still preserving lean muscle mass. Even after one finishes losing weight, the diet plan is meant to help give people lifelong support. Our experts conducted many reviews and found that the 18Shake Diet plan was the most effective. It offers a natural metabolism booster and an appetite suppressing meal replacement shake, both of which are stimulant free and only made with natural ingredients. Discover more about the 18Shake Diet Plan when you click the link here.

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Medifast Diet Ingredients and Side Effects

Here are some common ingredients added to Medifast’s prepackaged foods:

Soy Protein Concentrate

Soy Protein Isolate

Milk Protein Concentrate



Artificial Flavor

Xanthan Gum


Acesulfame Potassium

Modified Food Starch

Guar Gum



Maltitol Syrup



Soy Protein: This soybean extract is often GMO unless otherwise stated. According to Health Research Funding:

“May cause mineral deficiencies… Soy products have some anti-nutrient contents”

“Blocks calcium absorption… soy products contain phytic acid, a natural plant based substance responsible in blocking calcium and some other valuable minerals”

Soy has issues due to its natural components which may decrease the amount of minerals the body absorbs.

Fructose: This basic fruit sugar is often added to processed drinks and foods as a cheap sweetener.  A clinical study performed by the University of California Davis found that it was:

“associated with the insulin resistance syndrome…. May be detrimental in terms of body weight and adiposity”

Not only did it fail to suppress appetite, but it’s been shown to have damaging effects on metabolism and overall health.

Large amounts of it are stored as fat which can potentially increase the risk for cardiovascular diseases.

Guar Gum: Common thickener extracted from the guar plant. Web MD describes its issues:

“Side effect include increased gas production, diarrhea, and loose stools”

“can cause blockages of the esophagus and the intestines”

It’s often added to processed foods as a cheap binder and thickener.

Sucralose: Artificial sweeter which is around 1,000 times sweeter than standard table sugar. It has no calories since the body cannot use it.

Studies have been performed which showed this ingredient was potentially dangerous. A study by Duke University found:

“Alters Gut Microflora and Increases Intestinal P-Glycoprotein”

This can be potentially damaging to the immune system, and when eaten, sucralose is considered a toxin according to this study.

A list of the top 10 ranked diet plans are made available in the link provided here.

Web MD has this to say about the Medifast Diet:

“those extreme changes may make sticking with the program a challenge”

“this is an extreme diet, so don’t try it without talking to your doctor first”

They call it extreme due to the 800 to 1,000 calorie limit a day that is suggested. This is extremely low and will result in weight loss, but it can be difficult to maintain.

The Achieve plan offers:

  • 4 Medifast meals: 70 different food options are offered such as sweets, soups, pastas, bars and shakes.
  • 2 lean and green meals: This is separate from the prepackaged meals. One choses 3 servings of vegetables. 2 servings of healthy fats and 5 to 7 ounces of lean protein from the menu offered.
  • 1 Healthy snack: This can be a serving of fruit or yogurt, a baked potato, whole wheat pasta, or several other offered foods. Also separate from the prepackaged foods.

Click the link here to see the highest rate diet plans.

EDITOR’S TIP: Combine this diet with a proven meal replacement such as 18 Shake for better results.

Medifast Diet  Quality of Ingredients

The ingredients added to the prepackaged foods are commonly found in other processed meals. These cheap additives are potentially unsafe, and they can actually make it harder to lose weight.

The added fructose, artificial additives, binders, and cheap thickeners are not quality ingredients. They may also make it harder to sustain the diet.

An 800 to 1,000 calorie a day diet is recommended, which is considerably low. Web MD has this to say about liming calories:

“Women should not restrict themselves to less than 1,000 calories per day… men to less than 200 calories per day without medical supervision”

When reducing calories to such a small limit, there’s a possibility for nutritional deficiencies and side effects. This is why this limitation is often only suggested to people under strict medical supervision.

The Price and Quality of Medifast Diet

Pricing can vary, but Web MD says:

“a 4-week supply of meal replacements will cost at last $300 plus shipping”

The foods offered are low in calories, but they’re also often loaded with artificial and processed additives. These kinds of ingredients can be found in other processed foods for much cheaper. The only difference is that there are fewer portions offered.

Health USA News also says about Medifast:

“It doesn’t perfectly align with the government’s guidelines for healthy eating… provides a little too much protein and too few calories”

“At 800 to 1,000 calories a day, it also dips low for many diets”

Both the kinds of foods offered and the limitations on calories make this a poor diet plan. There’s far too much of a risk of not being able to stick to the diet due to its extreme limitations. This is not suited for all people, and it’s the reason why many customers said they couldn’t continue with the Medifast Diet.

A list of the highest rated diet plans is made available in the link provided here.

Business of Medifast Diet

Medifast, Inc. is the name of the group; their contact information is listed as:

Phone Number: (800) 209-0878

They settled a $3.7 million dollar lawsuit for making false weight loss claims of:

“Medifast 5 & 1 plan…. (could help) lose up to 2-5 pounds per week”

The Federal Trade Commission found:

“did not have a reasonable basis in scientific evidence to support the claims”

They also have complaints on Consumer Affairs and Rip Off Report.com. Here’s what some customers had to say:

“I did not sign up for an auto renew account but my account automatically auto renewed”

“They always sign up for automatic shipments”

“terrible customer service & absolutely don’t care”

“They will not give money back”

Many users were concerned that the company did not allow for a money back return. People also said that the customer service staff was unhelpful, and that they were constantly put on hold for long periods.

A comprehensive list of the top 10 diet plans can be seen in the link provided here.

EDITOR’S TIP: The top 10 list of the best diets is available here.

Customer Opinions of Medifast Diet

Here are some customer quotes about the Medifast Diet:

“Horrendous food, very costly, total disappointment”

“My stomach was constantly turning; eventually the gas became so bad”

“The food was extremely horrible and made me feel so dizzy and weird”

“The “food” tastes like cardboard and is NOT healthy because it is full of additives and preservatives”

The majority of reviews on the food were negative. Many were concerned that there were side effects, and that the food tasted artificial. For many it was impossible to continue using the diet. Some people did manage to lose weight, but this is common in low calorie meal plans.

People did complain about gas, bloating, headaches, nausea, fatigue, and hair loss. This caused many concerns in people, as they were uncertain as to what could have caused these symptoms.

The overwhelming consensus is that the food options are not very good, and that they’re full of unwanted cheap additives.  The top 10 ranked diet plans list is viewable when you click here.

Conclusion - Does Medifast Diet  Work?

The Medifast Diet consists of pre-packaged low calorie foods, as well as diet advice and suggestions for grocery foods. Though it’s comprehensive, many users have said the quality of foods is poor, and health sites like Web MD have confirmed it’s difficult to maintain. Customers were also often disappointed with the high amounts of artificial ingredients, and potentially harmful additives. This includes things like binders, cheap sweeteners which can cause metabolism issues, and GMO additives.

Our experts have rated many different diets, and the highest ranked one of 2016 was the 18Shake Diet. It offers 2 all natural supplements, an appetite suppressing high protein meal replacement, and a metabolism boosting stimulant free diet pill. Customers have left glowing testimonials and opinions on the 18Shake Diet. Both combine to help provide weight loss benefits such as increase metabolism, improved digestion, well-rounded nutrients, and many other benefits.

Both supplements are backed by a full 30 day money back guarantee. All purchases are supported with this no questions asked risk free policy. Discover more information about the 18Shake Diet Plan by clicking here.

How Does Medifast Compare?
  • Product Name
  • User Rating
  • Easy to follow
  • Cheap Price
  • Fast Results
  • Medifast
  • 60 /100
  • .
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User Feedback

(Page 5 of 22, 434 total comments)



I started a few weeks ago, but "took a break" (ok, i cheated) for 6 days in a row, SO, in reality, I've been on this plan for 16 non-consecutive days and have STILL managed to lose 11lbs....and counting! I enjoy getting up in the mornings and trotting to my scale to see how much I've lost each day... motivates me to stick with the plan for the rest of the day!

posted May 30th, 2012 3:50 am

Joy Coulter


Medifast has the worst customer service of any company that I have ever dealt with. I put in an order on 3/27. They didn't ship the order and it took me FIVE phone calls, 2 emails and almost 60 days to get my money back. I kept hearing it would be 3-5 business days but the money still has not returned to my account. They just told me on the fifth phone call the same thing, we'll see if it comes this time! Beware!!!

posted May 25th, 2012 7:15 pm

Michael Cuthbert


I started the TSFL (Medifast) plan back in February. It hasn't always been easy but that has been more to do with the emotional side of this rather than the physical. I am a total emotional eater and that is how I got to 500 pounds. But I am 37, basically diabetic (A1c was 6.5) and essentially dying. Since I have started I am down to 418 pounds. That is still way too high but I am getting there. The only trouble I have had has been feeling hungry some of the time. After talking with one of the Nutritionists I switched to a 5 & 2 for now. I have tried all of the weight loss programs but I have stuck with this one the longest. And the support I get from TSFL is really helping deal with the cause of my weight.

posted May 17th, 2012 10:41 pm



Yes Shari the centers do have you sign a contract. I am in for 1330.00 minus the cost of food. I did this because I needed the accountability that going into a center provides. I also get body scanned and can pick out my food from their store. It is worth it for me although most would think of it as too expensive. To each his own. So do your homework before you go off on someone. Anyhow, I have actually lost 22 lbs and I am at week 6. I started at 276 and am down to 254, not to mention minus two sizes already. I am 5'3".This is the best plan ever. My blood pressure at the start of the program was 147/101 and at my last visit two days ago it was 117/74. My Doc took completely off of my bp meds!! So whether you go into a center or order online, if you are committed to it, this plan works.

posted May 16th, 2012 6:51 am



I'm still on the plan and still losing weight. I lost 30 lbs in a month! By strictly following the plan, it's easy. The 5 and 1 makes it easy. You get one homecooked meal a day using a very helpful cooking guide and list of approved ingredients. I'm just starting my second month and look forward to what I'll look like at the end of it, as will my wife I'm sure. :)

Give this a try, follow the instructions and you will lose weight. Do it!

posted May 14th, 2012 8:26 pm



excellent! the food is great and tastes amazing, my favorite is the chili. I looked for a diet that i could complete with my busy schedule and i found it. Completely satisfied, and the weight just melted off!

posted May 13th, 2012 12:29 am


Oddly, I am not hungry on this diet. Started 3 days ago, and have lost 5 pounds. I'm 5'4", started at 167 lbs. and am now 162 lbs.

posted May 11th, 2012 7:42 pm



I just started Medifast three days ago (on a Monday). It is now Thursday morning and I've already lost 3lbs in the first 3 days! The food takes some getting-used-to (hey, Oatmeal, I'm talking about YOU!), but overall, I'm very pleased with everything about this plan (I refer to it as a "plan" and not a "diet", since all "diets" have failed me in the past). I even had three small glasses of red wine this week (I had to use up a good bottle that was opened before I had started the plan... pity to waste an expensive red!). There is no more wine in the house, and I intend to keep it that way until I lose 20lbs (it's good to celebrate milestones!)... I'm hoping to lose 35lbs overall... I started at 160lbs and hope to get down to 125lbs...I'm only 5ft.tall, so every pound counts!

posted May 10th, 2012 2:29 pm



First of all, OH, what in the world are you talking about??? Medifast does NOT have any $1000 contracts! They don't have contracts to purchase the food PERIOD! If you don't like it after your first order you simply don't order again! You are full of crap!

I have been on the program since February of this year and have lost 35 pounds. I would have lost more but I am your typical overweight person who has bad days that turn into bad weeks. But the program DOES work and it IS SAFE! It is easy to follow - you just have to do it. Easier said than done when you have been overweight and struggling your entire life, but it DOES work.

And no, not all of the food is great. I have found several items that are just plain horrible. The nice thing is that there are other options that DO taste good! Find what you like and use those items.

posted May 10th, 2012 5:44 am



posted May 5th, 2012 12:52 pm



Great program, never believed that I would not be hungry at 900 calories a day, but I am not. Not gourmet food to be sure, but everything is edible. I have lost 18 pounds in 2 weeks. (They say 3-5 pounds per week is typical) My goal is 40 pounds over 2-3 months and I am fully confident I can make it.

posted May 2nd, 2012 5:58 pm



This diet really works !!! but, you have to be able to control and rewire yourself to eat healthier foods PERIOD.
after you transition you have to be very careful what you eat.

in moderation

posted May 1st, 2012 3:01 am

Scott Thomas


Why should I trust your reviews? Don't you think the credibility of your reviews are compromised when you run ads along side them for the very products being reviewed? I was curious about Medifast and there were so many Medifast ads on the page I wasn't sure if I was reading a review or promo material.

posted Apr 28th, 2012 1:41 am



Medicast does workIF you follow the program. I used it and the only reason it stopped working is because I stopped following the plan. My excuse was my birthday would come and I would eat whatever I wanted. By my birthday I would lose 50 pounds from Jan to may. I think it is a great,program and plan on following it and making it to maintenance. The food was fine once I figured out how to prepare it to my liking. Having the online support and a coach is the way to go, I was never a yo-yo dieter but Medifast is a plan I believe in. Good luck to all who try it,go one day at a time.

posted Apr 24th, 2012 5:19 am



Medifast enrolment, Winter Garden Orlando Fl
I enrolled last week, on Monday, and started the program next day. I did not like the food at all in the beginning, but I told myself I am new with this food, just give it a chance. On the second day, I still didn??t like it and felt kind of sick, just thinking that I have to eat their special meals and snacks. 3 days later, I felt there was no way I could follow the program, so I got the contract and read that I could cancel within 7 days. I wrote a cancellation letter, faxed it and e-mailed it on Saturday so they would have it on Monday morning. To make a long story short, they sent me an e-mail refusing to give a refund. Now I have to go to small claims. Be aware that when you go to these places, they offer you the moon and stars to get your money. Make sure that they spell out how their cancellation due date actually works, because they turn the whole policy in their favor if you try to cancel. They should give you some trial food packets and then let you come back and sign. Do not let them use their high pressure sales tactics on you to sign their expensive ($1,000) contract. This, by the way does NOT include their food, which will cost you an additional $75-$100 per week. What a nightmare with this company! My recommendation is to study the pros and cons of any particular program before committing to it. If they insist on signing a contract and asking for money up front, RUN!!! We all know this does not end well with that kind of deal.

posted Apr 24th, 2012 1:26 am



Need ideas for the Medifast lean and green meals I??ve been on and off the Medifast program for over a month. I have a hard time sticking with it faithfully. It??s easier for me during the day while I??m at work, but when I get home in the evenings I can??t stick with the lean and green meals. I find it hard to make dinner for myself and make my 5 year-old daughter something different. I know this program works if you stick with it, but when I??m home I??m finding it extremely difficult. Does anyone have any ideas for me? Also, can I still take B12 and Omega 3 vitamins to help with my energy?

posted Apr 17th, 2012 6:15 pm


I'm a 60 yr old male with diabetes. I have not been able to control my blood sugar in 15 years. I've had to keep upping my oral medications until I maxed out and then went on insulin.
The 2nd day I went on the Medifast diet my blood sugars stabilized. Within a week I got off the insulin shot at night and only remained on oral medications.
I kid you not. I was shocked how this diet has changed my life. I credit it with SAVING my life.
I was 241 lbs on 1/1/2012. It's now 4/16/12 and I'm down to 193 lbs.
And I've done some cheating on this diet too but mostly stuck with it.
The bars, shakes, pizza chips etc are my favorites.
Another good thing about this diet is it takes the indecision out of my daily life on what to eat for the 5 meals per day.
When I eat the one personal protein/vegetables/salad each night it fills me up. Your body becomes accustomed to eating healthy small amounts of food.
I've never been able to lose weight my whole adult life. Everybody always talks about losing weight but not many accomplish it.
Everyone who sees me marvels of how good I look and how I quickly I lost the weight.
I went to an orthopaedic surgeon the other day and he was more interested in how I lost my weight than my surgery.
He needed to lose weight himself.
If I can do this, anyone can and I'm not trying the bull around.
This diet works.

posted Apr 16th, 2012 6:40 pm



I have just begun my 8th week on Medifast. Have lost 27lbs during the first 7 weeks. I am one of the users that has not had any major problems and I have been able to follow the instructions to a T. The only downside (sort of) for me is that I am very tired at the end of the day - but during the day I have much more energy and none of my previous aches and pains. I say it's only sort of a downside as I now sleep really well and do not have problems waking up - issues I had before starting MF.

I have no doubt this program will not work for everyone (what one does?), but it's worth at least checking out if you can afford it and want fairly quick, steady weight lost. Not only am I losing weight, but I haven't felt this good physically in years. Even though it's a meal replacement program, you can learn many skills for proper eating and nutrition - if you want to learn. If you get tired of the food, there are many, many tips & little tricks to change it up and make it more to your liking.

I started out with ordering 2 weeks of food to see if I could handle it - that would be my recommendation is to give it a small try and see if it might work for you. Again with the caveat, IF you can afford it.

posted Apr 15th, 2012 4:38 pm

Savanna Stelzleni


Great program! Lost the weight I wanted, FAST!!!

posted Apr 11th, 2012 10:20 pm


I started the program last week and find it is very manageable. Before I started, I did a lot of research and collected many receipes. As a result, the food has not been that bad. As a personal conviction, I have decided not to weigh myself or take my measurements. I want to see if this program is real. What is real is when I put on my clothes and they no longer fit. What is real is when I get up and have more energy. What is real is when I begin to look at my progress and decide on making better food choices. At the end of the week, this is what has been real. I stay within the food guidelines and I have noticed small changes. I will continue this program until my vision becomes a reality.

posted Apr 4th, 2012 9:49 am


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QUICK FACTSQUICK FACTS Start the Diet Now Advertisement
  • Established: 1980
  • Founder: Dr. William Vitale
  • Headquarters: Owings Mills, Maryland
  • Stock Symbol: MED
  • Accessibility: Online
  • Diet Type: Meal Delivery, Meal Replacement, High Protein

Do You Know the Best Diet Pills of 2017?


Save time and energy by never having to grocery shop, count calories or cook your meals again. Medifast meal delivery service will send high protein meals directly to your home. By controlling portions, nutrients and calories, Medifast users can expect to lose 2-5 pounds per week for the first two weeks on the Medifast 5 & 1 Plan and 1-2 pounds per week thereafter.

The Medifast Plan menu consists of shakes, bars, soups, and other sides you can pair up to create your diet or the day. Medifast offers 70 meal choices to satisfy different palates and dietary requirements. Kosher, low glycemic, lactose-free and vegetarian diets are all supported by the Medifast plan. Medifast even has specific plans for the unique needs of women, men and diabetics.

Medifast's success has been proven in multiple clinical studies, the Medifast website offers dozens of real-life testimonials, and its products and programs have been recommended by more than 20,000 doctors since 1980.

A John Hopkins study found the Medifast plan helps dieters quickly and safely lose weight by decreasing the amount of calories they consume each day. The study also found that participants with type 2 diabetes lost 2 times the weight of individuals following the American Diabetes Association's dietary recommendations. Medifast also shows positive results in participants with other illnesses, like hypertension and high cholesterol.

All of the Medifast products are available online, but Medifast does offer some physical centers throughout the country, in Alabama, Arizona, California, Florida, Georgia, Maryland, Minnesota, Pennsylvania, Texas and Virginia. You can choose to go to a center, but you can complete the program online just as easily.


Medifast YouTube Channel

Medifast Recipes at iFood TV

Meal Replacement Shake Review

  • Convenient, pre-packaged foods sent to your home
  • Reasonably priced
  • Large variety of foods so there is something for everyone
  • Encourages and incorporates exercise
  • Clinically proven weight loss
  • Doctor recommended
  • Provides detailed weight loss maintenance plan
  • Plans made for diabetics and other medical situations
  • Quick Start Guide available at TrustMedifast.com

  • Must cut carbs
  • May be tough transitioning back to regular diet
  • Low-calorie diet has its critics
  • Makes social situations harder to manage

A sampling of feedback and experiences shared by our community.

I am a 48 year old male with a fairly unactive lifestyle. On May 16, 2011 I started the Medifast diet following the 5/1 plan. My starting weight was 325 lbs. I am 11-1/2 weeks into the diet and have lost 58 lbs.

I come from a family of excellent cooks. Are the food offerings gourmet quality? No. However, they aren't, in general, as horrible as people say. Sure, there's a few clunkers out there but, for the most part, there are so many varieties that you should be able to find your way through. - Greg 8/5/11

I am 49 yrs old...5"5" and I started my program Aug 8th 2010 at 172 lbs I lost 45 lbs in 14 weeks! It's easy and the results are rapid. The first week I lost 8.5 lbs and the first month 17.5 lbs and then I averaged about 2.5 lbs a week. I have been reading lots' of discouraging people on here in regards to the food. Yes, there are some of the meals that you will not care for. But, you will figure out your likes and dislikes right away. Just don't eat more then one pkg out of each box for any returns.For me personally ..I love the bars and like the rice cakes, pretzels and puffs vanilla and mocha shakes yum! - Lorrie 8/4/11

I started medifast around October 2010. I went from 165lbs to about 142lbs in 3 months. I was very pleased. Unfortunately once I became comfortable being able to fit in my own clothes again I stopped the program. I did not start the maintenance program. My own fault. I ended up gaining my weight back and have started weight watchers and it's been successful so far. So depending on wether or not I would of stayed on the program I would have a better review. So it does work, and I do like it. But it was not for me and the food gets old quick! If you keep to it right, and do not cheat! I would cheat just for one day with some medifast and maybe a real meal with the family and I would be gaining a pound.. Just keep to it. - Alyssa 7/4/11

This diet works without a doubt as long as you can stick thru it. It is VERY difficult the first few days but once you make it thru week 1 the cravings pretty much go away. The food will also begin to taste better, however its best to try everything because not everyone like everything. I personally just do the shakes and brownies sometimes the scrambled eggs. They also have a great community site for advice and support and you can get great ways to doctor it up the meals too. The weight definitely comes off quickly and you see results weekly on the scale on with a measuring tape which is great motivation. Of course it has its downside like every diet the weight can come back quickly and more, but only if you don't go into the transition stage and gradual reintroduce foods back into your diet and maintain a healthy balanced diet. - Izzy 5/17/11


The Medifast diet consists of five prepared meals and one "Lean and Green Meal." (L&GM) known as the Medifast 5 & 1 plan. Your L&GM will consist of a lean protein (a seven-ounce serving of chicken, turkey or fish, or a five ounce serving of beef, pork or lamb) with a tablespoon's worth of condiment like ranch dressing, ketchup or mustard. You will also choose your side dish, which can include a salad, or raw or cooked vegetables. You will always eat at least three servings of vegetables in your L&GM.

The Medifast program encourages you to keep your metabolism high and avoid hunger by eating every three hours. It also recommends that you stay hydrated by drinking your choice of calorie-free beverage, preferably water, consuming at least 64 ounces each day. While your Lean and Green Meal and beverages are up to you, the rest of your meals will be chosen from the dozens of low-calorie, high nutritient meal-replacement items that Medifast delivers directly to you. With options like puddings, oatmeal, shakes, and scrambled eggs, it's hard to get bored.

At the beginning of the program, you will remove high carbohydrate vegetables from your diet like corn and carrots, to jump start your weight loss. You'll slowly introduce these items back into your diet over time and they can be a part of your diet in the maintenance phase, if you wish.

While on the Medifast program you don’t have to worry about counting anything; calories, grams of fat and carbs are all controlled and you can expect to lose between two and five pound per week. The Medifast meals are made with 24 different vitamins and minerals to keep you full and satisfy your nutritional needs.

A typical day of eating on the Medifast program looks like:

  • Breakfast – Spiced Pancakes with Sugar-Free Syrup
  • Snack – Chocolate Crunch Bar
  • Lunch – Chicken & Wild Rice Soup
  • Snack – Cinnamon Pretzel Sticks
  • Dinner – Baked Tilapia Fillet; Sautéed Sugar Snap Peas with Mushrooms, Carrots
  • Dessert – Coffee Soft Serve

The Medifast website offers an exercise guideline document, but there is specific workout program. Medifast recommends getting daily exercise, but your intensity, mode and duration are left completely up to you. They suggest running, jogging, swimming, dancing or walking, but with such a low calorie, structured program, getting your daily 30 minutes reccommended for health should be enough for you to successfully drop weight.

Medifast recommends waiting two to three weeks before introducing exercise if you do not already exercise regularly. You should also consult your physician if new to exercise. Start slow, and gradually increase you time and intensity as you feel things become easier. If you have been exercising consistently prior to starting Medifast, it is recommended that you reduce your intensity and duration of exercise for the first couple of weeks so your body can adjust to your lower calorie levels, and do no more than 45 minutes of vigorous exercise each day during this time period.

Medifast suggests, as do we, that you find something that you enjoy for your workouts so you are more likely to stick to them. The gym isn't your only option. You can take up jogging outside, dance classes, swimming, or biking to get in some exercise while finding a new activity you enjoy.


Common questions asked about the Medifast program by our community. Click each to see the full answer.

Does anyone experience an early plateau on Medifast? - NB 6/21/11

Is there any medical supervision on Medifast? - KJ 6/10/11

What is the cost of 3 months on Medifast? - Jeannie 6/8/11

Will my body adjust to hunger at the beginning of the diet? - Lisa 3/7/11

Ask or answer Medifast Questions now.


For more than 20 years, Medifast has been the answer for many people's weight loss struggles.. It’s also helped people with pre-existing health conditions, like diabetes and hypertension, lose weight safely. The taste and quality of the meals have gotten mostly positive feedback, so if you want to take out all of the guess work, Medifast may be the diet for you. You'll learn how to eat proper portions with balanced nutrition, while eating consistently throughout the day. Most programs and diets cannot boast the doctor recommendations, positive clinical findings and glowing testimonials that Medifast can. It's worth a look if you have weight to lose and are looking for a convenient, all in one approach to eating.


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