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93%

of people who tried this diet like it

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based on 122 reviews

OPTIFAST

Program offers 12 weeks of meal replacement to help you lose weight.

QUICK FACTS Start the Diet Now Advertisement
  • Established: 1974
  • Founder: Novartis Medical Nutrition Corporation; now owned by Nestle HealthCare Nutrition
  • Stock Symbol: NSRGY
  • Headquarters: Florham Park, New Jersey
  • Accessibility: Online, weekly one-on-one counseling
  • Diet Type: Meal replacement, liquid
  • Gender: Male, female
BACKGROUND

The OPTIFAST plan has been considered the ace of liquid-based diets since 1974. The meal replacement drinks and bars are recommended by physicians for patients weighing more than 50 pounds over their ideal weight or with a Body Mass Index (BMI) of 30 or more. OPTIFAST is recommended to help obese individuals prepare for gastric bypass surgery as well. All participants have full access to professionals like doctors, dietitians and counselors.

The OPTIFAST program follows strict guidelines to ensure the health and safety of patients with three key areas of concentration - medical, behavior and nutrition. Patients have an initial medical exam to make sure they meet the program criteria.

Progress is monitored during weekly one-on-one and group counseling, to help encourage healthy lifestyle changes.

PRO
  • People will lose weight on the introductory phase
  • Your weight loss is monitored by their experts
  • Proven results with clinical studies and over 1 million participants
  • Program gives support and counseling along with weight loss
  • Medical monitoring while on the program
  • Offers decrease in cholesterol, high blood pressure and high blood sugar levels
  • Great tasting meal replacement shakes
CON
  • Doubtful that most health care professionals would recommend being on a meal replacement plan for any extended period of time
  • Program consists of all liquid diet
  • May be cost prohibitive for some
DIET and NUTRITION

To participate in Optifast, you must first complete a preliminary medical exam. You will be assessed to determine any risk factors and make sure you are a good fit for the program. After passing that exam, you are given a personalized weight loss plan that is based on your current weight and your goals. You are monitored throughout the entire process. Your meals will consist of the Optifast shakes and meal replacement bars.

EXERCISE

You get a customized activity plan for your fitness level and schedule.

CONCLUSION

Maybe the OPTIFAST meal replacement is nutritionally sound, but there are plenty of other programs that have you making sound choices with real food. This program is also very expensive. This combination can only lead to the conclusion that there are other choices that would come before OPTIFAST.

Common Misspellings

optyfast, opti fast, optifast progarm


Related Diets: Juice Diet, Slim Fast 321, Slim-Fast, Medifast , VF Smoothie


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User Feedback

(Page 1 of 13, 254 total comments)

JW

Started Opti Fast last June. Lost 72 lbs and have kept it off. I like the program a lot. I like the classes and have learned so much that weight watchers does not teach you. If you want to eat, then don't join it's not for that. It's to get the weight off and then teach you how to KEEP it off. It's easy to lose it, you have to keep it off.
Yes it's hard, but so is every other diet!

posted Aug 12th, 2014 5:52 pm


joan

Im on the optifast weight lose for a pre op program. The shakes are fine and the lemon pudding is ok BUT the chicken and vegetable soups are disgusting!! After a couple of days of trying to get them down, I stopped using them completely. I started making vegetable soups myself. The thing that upsets me is I spent quite a lot of money on them and have only used two packets out of each box! Wasted money for sure. Im glad its only been two weeks of using till my operation.

posted Jul 17th, 2014 4:31 am


rang

I started the Optifast 800 program thru the Kaiser Wellness Center. I did to avoid becoming a diabetic. I think I fell into the worst catagory of "why I gained the weight". It' because my even my wifes "cooking mistakes" taste good but lately I've been so busy I just eat out a lot and just like the taste of good food. No emotional problems here. Just like good food.
So after my third week weigh in I've lost 28lbs. I'm not active. I'm 61 and a professional photographer. I might do some walking on location but no treadmills, no gym, no weights and forget running anywhere.
I like this program. The two soups are good...I jazz them up with curry powder, various salt free Mrs. Dash stuff. One in the AM and one in the PM. My other three shakes/day I spike with the little Meo water flavorings (Vanilla shake, ice cubes, H20 and three little squirts of Meo Orange/Tangerine and I challenge anyone to be able to tell it's not an Orange Julias from the old days).
Definitely in ketosis. But no cravings for food. Even shot three RenFaires and a wedding that was overflowing with food. Didn't crave Turkey Legs, cake, potatoe dishes etc. etc.

So far, so good.

posted Jun 25th, 2014 7:55 pm



Zahara

I lost 80 kg on optifast four years ago. I maintained the loss for about three years and then got sick and put on 60kg. I have again started and am on week 10 of the intensive phase. I have lost 22kg. Its easy as long as you stick to it.

posted Mar 26th, 2014 9:33 am


Susan

I am so happy to start a regulated diet that will help me change my emotional eating habits just started

posted Feb 19th, 2014 3:26 pm


TL

I started Optifast today... Feb 17th.. I hope I can do this!!! Need to lose 50 lbs!!!! before the summer!!!

posted Feb 17th, 2014 8:29 pm


Annette

This is my first day and I have no idea how I'm going to do this...I can't stand the taste of these shakes and they make me feel sick. The good thing is I don't Feel like eating.

posted Feb 8th, 2014 2:41 am


C.-G.

Today I'm entering week 10 of the Optifast900. I have lost 41.5 lbs and have not diverted from the program. At the Weight Management Clinic at the Ottawa Civic Hospital there is an excellent team that includes a behaviourist, nutritionist, exercise expert and two doctors + superb support staff. I'm committed to getting healthier and I'm sure that is why I'm following this to a T. I work 5 days a week and enjoy my weekends as I'm not cooking at the moment. I recommend this program.

posted Dec 12th, 2013 4:29 am


kim upchurch

I started the Optifast program because my blood pressure was out of control and I couldn't control my food intake. The program is stuff but if you get pass the first 2 weeks, it's a breeze. I've lost 11 pounds, have energy, and my blood pressure is almost normal. Be encouraged, you can do it.

posted Oct 20th, 2013 3:22 pm


Jenniferward

It is much healthier, easier and cheaper to make my own juice, either fruit or vegetable or a combination of both, than it is to use Optifast. I have experienced equally impressive weight loss by doing this. I can juice in-season fruit and vegetables, have a nourishing warm miso soup or a vegetable or meat bone broth. All these give me real food that I have prepared myself from real food sources. No additives, colourings, flavourings, emulsifiers, soy etc. etc. The benefits of this mean I'm saving money, learning healthy eating habits that I can retain forever rather than just the expensive hiatus of Optifast that does nothing other than take my money and give me a transient weight loss.
All such products are questionable, not just Optifast.
It is important to learn good eating habits that involve preparing and eating real food, reconnecting with our own bodies and natural appetites that are now thrown out of balance by additives, enhancers, lo-fat everything, chemical sweeteners etc etc. Real food, prepared at home, will allow anyone to lose weight easily, simply and affordably. There is no magic instant weight loss plan that will keep weight off in the long term. This is because the habits that caused the weight gain need to be re-learnt. Once this is achieved the weight will take care of itself. Good luck on your weight loss journey - eat only real food you prepare yourself as much as possible.

posted Jul 3rd, 2013 6:35 am


Ranjana

I just love this product it's marvellous I was just 2 kgs over my weight but was very keen to lean down m be slim I did this course by replacing 2 meals a day n trust me I lost 6 kgs I m a hard core gym person after that I never took this product however haven't gained weight yet....just love it....results r the best....I wud recommend this to everyone who wanna loose weight look pretty n feel confident as I feel very confident after loosing so much of weight....n the best part is I m nt a foodie so it's not a difficult task fr me to follow the diet....love optifast thoroughly

posted May 9th, 2013 6:04 pm


LeighCC

Both my husband and I are on this program. We both miss food but the results are great. In the two weeks we have been on the program he has lost 15 pounds and I have lost 10. My only issue is, I wish I could lose weight as fast as him.

posted Apr 19th, 2013 12:39 am



firstlady

That is great. I will start 04/18/2013.

posted Apr 11th, 2013 7:58 pm


firstlady

I will start OPTIFAST on 4/18/2013. I will post by results

posted Apr 11th, 2013 7:55 pm


Tracyann1983

I started optifast on March 23 and I have lost 22 pounds in 8 days this stuff is awesome. However I do have a lot of indigestion. I am constantly burping but its worth it

posted Mar 31st, 2013 9:18 pm


Malia

I started Optifast on Jan 29 2013 - if you ask anyone around me my first week of the intensive phase was hell....in a good way. Weighing in at a heavy 149.9kgs I convinced myself to stick with it. In my first week I had dropped 8.3kgs. It has now been almost 8 weeks and I have have managed to lose 20kgs! My hard work and discipline has paid off thus far & I can't wait to see how many more kilos drop as I progress further into the program. Best decision I ever made!

posted Mar 27th, 2013 9:28 am


Lisa

How much does optifast cost? I'm thinking about contacting Dr. Goldfarb to discuss this diet. I see that you are both having success on it, congratulations, it must feel great! I was wondering if you could tell me how often you have to see him and if the appointments are usually pretty on time. I'm a mother to infant twins and I will have to bring them with me and I'm nervous about how long it will take each time I go there. I would really appreciate your input. Do you find it terribly expensive? I'm sure its worth it though. Many thanks!

posted Mar 4th, 2013 4:17 am


Greg

I have been on optifast with Dr. Godlferb for six weeks now and so far I am extremely pleased. I lost 26 pounds and even though I miss the home cooking I no longer crave solid food. This program is great for anyone that is motivated to loose weight and get healthy.

posted Feb 27th, 2013 10:57 pm


WASEEM

I start Optifast on Jan. 17, 2013, so far I have lost 14ib in 13 days, its great, I hope it continue, so far no cheating, because after this drink I feel full, yes, I do miss the taste of food, but in-order to reach healty life style, not a big deal. I am 52 year old. So far very please with Dr. Goldferb services. Hoping to loose 100 Ib, and I was 303Ib.

posted Jan 30th, 2013 12:30 am


Zoe

Hi my name is Zoe and I have been on optifast for 5 days and I have lost 2 kgs, I am very pleased with the product and loving it ..hate the soup yukkkk!! Love the new improved coffee ........and love the chic berry muesli bar yummy! So good luck guys I've got 7 kgs to lose in 12 days for pre op for gastric sleeve, I hope I get there, love optifast!!!!

posted Jan 29th, 2013 11:37 am



 

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