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Mounjaro for Weight Loss (Obesity/Overweight) User Reviews

Rating: 8.8

Mounjaro has an average rating of 8.8 out of 10 from a total of 491 reviews for the treatment of weight loss (obesity/overweight). 82% of reviewers reported a positive experience, while 4% reported a negative experience.

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Reviews for Mounjaro

Commonly mentioned side effects
  • Ano...
  • Taken for 1 to 2 years
  • September 9, 2025

"Have lost 40 pounds, feel so much better, blood pressure under control, heart failure symptoms gone, had a high A1C (7.8) which is down to 5+-"

10 / 10
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  • Jim...
  • Taken for less than 1 month
  • September 7, 2025

"After the second injection, I started to experience pain in my lower abdominal area. After reading the side effects, I believe I may have eaten too much at dinner. I ate a much smaller portion the following night and experienced minor abdominal pain early in the morning. I am going to change my eating habits and have one meal around lunchtime and rely on my protein drinks. I have lost 10 pounds in three weeks. I am taking this medication to lower my A1C, so the weight loss is a plus for me."

10 / 10
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  • Ano...
  • Taken for 1 to 6 months
  • August 30, 2025

"Since starting Mounjaro, I have my blood glucose to near normal levels! 7.0 reduced to 5.9! To date, I have lost 34 lbs and still losing! I feel fantastic! I have had a stretch of mild diarrhea that is subsiding. At the moment, I am injecting the 7.5. My hope is to lose at least 20 more pounds!"

10 / 10
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Frequently asked questions

  • fra...
  • Taken for 1 to 6 months
  • August 19, 2025

"I am so grateful for being on Mounjaro as I have lost 40 pounds in 3 months, and I'm still eating (smaller amounts) and drinking my water, 4 cups a day. Thank you very, very much."

10 / 10
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  • Don...
  • Taken for 2 to 5 years
  • August 19, 2025

"I've been on Mounjaro for over two years. I'm part of a study for mortality and morbidity for clients with risk for heart attacks. Criteria included obesity, high cholesterol, and HTN. Within six weeks of starting Mounjaro, I was off my BP medication. Over the first year, I lost 70 pounds. The side effects that I experienced early on were indigestion and belching. That resolved after about three months. The biggest side effect for me is constipation. Learning how to manage constipation is important. My Mounjaro is on hold now because of extremely elevated amylase and lipase 10 times the normal level. I was asymptomatic for nausea, vomiting, or abdominal pain, which I'm thankful for. While I've been off for over a month, my digestive enzymes have normalized, and my pancreas appears normal via ultrasound. However, I'm anxious to get back on Mounjaro, perhaps at half the dose 7.5 mg because I again am having food cravings, I feel hungry all the time, and have gained about 10 pounds off the medicine. I believe the side effects for me are less worrisome."

10 / 10
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  • Ric...
  • Taken for 6 months to 1 year
  • August 16, 2025

"Had bad reaction to animal fats, so cut down on them. Am 100% carnivore, lost 4 stone in 7 months. Low energy due to can't handle animal fat, but nothing I couldn't manage."

10 / 10
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  • Bre...
  • Taken for 6 months to 1 year
  • August 16, 2025

"I had been on blood pressure medication since I was 16 years old. After going through menopause and all the hormone treatments, I had become morbidly obese. Since taking Mounjaro, I have stopped (with doctor recommendations) 1 of the 2 blood pressure medications, and the other I have decreased the Rx dosage. I have also decreased the thyroid medication that I am on. I have lost weight, but the overall health benefits are great. My insurance is now denying my coverage for Mounjaro, stating it is only for type 2 diabetes. Apparently, being borderline diabetic is not sufficient for medication, a medication that helps with health and well-being and allows us to not take as much prescription medications."

10 / 10
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More FAQ

  • Joh...
  • Taken for 6 months to 1 year
  • August 12, 2025

"I lost 80 pounds so far. I will recommend it for anyone. It works for me."

10 / 10
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  • Ano...
  • Taken for 1 to 6 months
  • August 8, 2025

"This has changed my life! I didn’t know how I was ever going to lose weight again, and I’d given up. My weight had risen to nearly 13 stone over the last six years. I thought I was around twelve stone maximum, but I hadn’t weighed in years. I have osteoarthritis in both my knees and was finding it difficult to walk, and I'm only 5 foot two. I have now lost 2 1/2 stone after six months of taking this. The pain and inflammation in my knees have completely gone. I have hardly any side effects apart from not really wanting to eat very much and occasionally feeling a bit nauseous after the first dose when it’s been increased. I just can’t believe what an amazing drug this is. I’m just a little bit nervous about coming off it and getting my appetite back. It’s so lovely to live a life without food noise!"

10 / 10
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  • The...
  • Taken for 1 to 6 months
  • July 29, 2025

"No side effects. I lost more than 3 lbs in 2 months of using."

10 / 10
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  • Jar...
  • Taken for 1 to 6 months
  • July 29, 2025

"For a couple of months it was great. I was losing weight. But, my body is now doing a rejection of the drug. Nausea, vomiting, dizzy, and a change in my vision. I did lose 43 lbs. Wish I could have stayed with it. There are several drugs that my body has rejected after taking them over time."

10 / 10
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  • Jac...
  • Taken for 1 to 2 years
  • July 24, 2025

"Moved from 2 mg to 5 mg. Three days later, I'm running to the bathroom, dark liquid, 10 times to the bathroom. Three hours later, it started easing up. Didn't eat for 5 hours so far, 7 Up and a few crackers. Start week Mon, 11 am, took shot 5 mg. It's Wednesday, and now it started."

10 / 10
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  • Zia...
  • Taken for 1 to 2 years
  • June 25, 2025

"Lost 75 lbs in one year with minimal side effects. Started at 2.5, finished at 10. Best thing under the sun."

10 / 10
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  • Val...
  • Taken for 1 to 6 months
  • June 23, 2025

"I have been great on Mounjaro, no side effects, and have lost 2 stone. It’s easy to inject and easy to follow instructions. You inject different sides each week. Just started 7.5."

10 / 10
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  • Jan...
  • Taken for 1 to 6 months
  • June 22, 2025

"I’m a 68-year-old female and have lost 50 lbs from January to June 2025. Started with 5 mg injections and now am getting 15 mg injections once per week. Minimal side effects unless I eat too much or eat unhealthy foods - and then I will have nausea and/or diarrhea. The biggest benefit has been that my blood pressure went from approximately 140/90 or so to a very consistent 110/60 or slightly above that, but hasn’t been anywhere near 140/90 since a couple of weeks after I began the injections. The cost has been a bit prohibitive, and I’m hoping that I’ll be able to transition off after I reach my goal weight loss of 75 lbs (without too much weight gain) OR that there will be a generic available and covered by Medicare. I can also breathe much better after climbing stairs and feel so much healthier and am able to play with my grandkids much more! Thanks so much!"

10 / 10
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  • Bec...
  • Taken for 6 months to 1 year
  • June 21, 2025

"52 years old, 5 ft 6 inches, female, gave birth naturally to 6 children, all now adults. Started in October 2024 at 91.4 kgs, waist at 104 cm, wearing size 14-16 clothes (Australian sizes). I read all the reviews (about 500) before I started and chose to mitigate adverse reactions: (ONLY Bioceuticals brands) I took powdered magnesium 3 times a week for muscle health, daily live probiotics for gut health, daily prebiome fiber in smooth and creamy Greek yogurt with berries and prunes for bowel health. Drank lots of water and ate smaller portions for dinner at about 5 pm. I don’t have time for exercise (although I had just done a whole year of 3 x personal training a week prior to starting MJO - only losing 4 kgs!). Fast forward to June 2025, I currently weigh… drum roll… 68 kgs! My waist is now 79 cms, my upper arms have lost 6 cms, hips lost 14 cms. I am wearing size 10-12 and cannot be happier! Only occasionally did I get dizzy or constipated."

10 / 10
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  • vic...
  • Taken for 1 to 6 months
  • June 20, 2025

"I started the Mounjaro in September 2024. I lost 4 stone in 16 weeks. I had a break and started back on it in April 2025. In May 2025, I went to the GP with insomnia, and they did blood tests. I have found I have hyperthyroidism. I suffer from insomnia, rapid heart rate, palpitations, trembling hands, and muscle twitching. I am awaiting a scan on my thyroid and also other investigations. I am under an endocrinologist but have my appointment for October 2026."

10 / 10
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  • Ano...
  • Taken for 1 to 6 months
  • June 18, 2025

"I have gone from 346 pounds to 284 from March 2025 to June 2025. A1C reduced from 12.5 to 8.0. Wishes I would’ve done this last year!"

10 / 10
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  • Ste...
  • Taken for 1 to 2 years
  • June 16, 2025

"I used Mounjaro solely for weight loss. I did really well on it, although I am not diabetic. I did have a diagnosis of PreDM. I was able to get my A1c down to a normal number, and I lost around 50 lbs. I have not used the medication for close to two years now. I have been noticing A1c numbers creeping up, my weight as well."

10 / 10
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  • Ano...
  • Taken for 1 to 6 months
  • June 15, 2025

"Started Dec 2024 and as of today June 2025 down 80 pounds! Started at 237 and now at 157. Have never had side effects and still on lowest dose 2.5. Have never had to go up to a higher dose. First month I lost about 25 pounds and then went down to losing 1-3 pounds every week. Every week is different but always lose some weekly. No cravings. Don’t eat much. A little bit of protein and veggies."

10 / 10
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  • Fie...
  • Taken for 1 to 6 months
  • June 14, 2025

"According to the BMI, I was on the cusp of obesity at 189 pounds. Between January 2, 2025, and January 24, 2025, Mounjaro taken at 2.5 mg weekly injection enabled me to effortlessly drop from 188 to 171 pounds. A loss of 17 pounds in three weeks. After that, the weight loss continued much more slowly, despite upping the weekly dosage to 5 mg and then to 7.5 mg. It is now mid-June 2025, and I have lost 30 pounds. I am surprised at Mounjaro's effectiveness, and very grateful. While still on Mounjaro, in early June 2025, I somehow suddenly developed cellulitis of my left calf, which probably was not a function of the Mounjaro. I easily vanquished the cellulitis with systemic antibiotic cephalexin. I highly recommend Mounjaro!"

10 / 10
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  • Lyn...
  • Taken for 1 to 6 months
  • June 11, 2025

"14 lb lost in one month. Type 2 controlled diabetes. Do not take any medication. Age 72. Bought from chemist. Never been able to lose weight, tried every diet. Tried acupuncture, tried private doctor for tablets, tried hypnosis. Tried diet tablets. Tried everything. One month on 2.5. Now on first week of 5. No side effects. Amazed! Thank you."

10 / 10
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  • Ano...
  • Taken for 1 to 6 months
  • June 10, 2025

"80 lbs in 5 mos. Minimum side effects. Tried weight loss all my life = best ever."

10 / 10
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  • Jax...
  • Taken for 1 to 6 months
  • June 5, 2025

"The only time I've experienced vomiting was after eating greasy food then drinking wine, otherwise, none. I've had a little nausea, but nothing to concern me. I'm steadily losing weight, and in 11 weeks, I'm down 19 lbs with about 10 more to go until I'm at a healthier weight for my height. A couple of people have criticized me for using it, but I was using a calorie deficit and intermittent fasting while exercising every day, but just not losing anything, so I'm happy with my decision to start taking it."

10 / 10
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  • don...
  • Taken for 1 to 2 years
  • June 2, 2025

"It took me about 10 months to lose 85 pounds. I love it, wish I had it years ago."

10 / 10
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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.