GLP-1 TV · Patient story · views checked Oct 2026
Mounjaro Weight Loss Timeline: 1 Month vs 3 vs 6 vs 12… What REALLY Happens
Our summary
Jenelle Ketcham, who goes by Jen, says she has been on a GLP-1 medication for 2.5 years and has lost 90 lb. She started with Mounjaro, moved to compounded tirzepatide for a while, and is now using up Mounjaro again. She states she is not a medical professional and says people should set baselines and expectations with their own doctor. The video walks through what she says to expect at 1 month, 3 months, 6 months and 1 year.
One person's experience, in their words. Not medical advice.
Where tirzepatide costs least today
The three cheapest partner programs for tirzepatide, all in per month, checked weekly. Brand Mounjaro and compounded versions are different products; each row says which it is.
What else the video covers
For month 1, she describes a quick drop in appetite, possible nausea and fatigue, and a strange mental adjustment. She suggests 5 to 10 lb of loss depending on dose and starting point, and recommends hydration, tracking protein, walking and keeping a journal of dose, symptoms and wins. At month 3 she describes visible changes, around 10 to 15 lb lost for the example she gives, a possible first plateau, and more automatic habits. She says she lost around 40 lb in 3 months while staying on 5 mg for a total of 16 weeks, and that dosing is a decision between each person and their doctor.
At month 6 she says people could be down 30, 40 or 50 lb, with possible loose skin or muscle loss, which is why she suggests shifting toward strength training and protein. She reports being down 66 lb at six months and off blood pressure medication, and going from an XXL to a medium shirt. At one year she says the focus moves to sustainable habits and maintenance questions, and that the medication is a tool while habits are the foundation.
Our summary of what is said, in our words. Doses, results and prices are the speaker’s, not advice.
Takeaways
The main points, in the order they come up. Tap a time to play from there.
- 1:02 She says month 1 brings fast appetite changes, possible nausea and fatigue, and expected loss of about 5 to 10 lb depending on dose and starting point.
- 3:04 Her month 1 advice is to focus on hydration, track protein, take walks and keep a journal of dose, symptoms and wins.
- 6:06 At month 3 she says clothes fit differently, a first plateau may appear, and she lost around 40 lb while staying on 5 mg.
- 9:41 At month 6 she says people may be down 30, 40 or 50 lb, and she suggests strength training and protein as weight loss slows.
- 12:48 She reports being down 66 lb at six months, off blood pressure medication, and going from an XXL to a medium shirt.
- 14:14 At one year she says the focus shifts to sustainable habits and maintenance, with the medication as a tool and habits as the foundation.
Key moments
From the creator's own chapters. Tap one to play from there.
What the video says
As stated in the video, not checked by us. Doses and results are the speaker’s, not advice.
- Medication
- Mounjaro
- Doses mentioned
- 5 mg
- Point in the journey
- Month 1
- Side effects mentioned
- fatigue and low appetite
- Who is speaking
- Patient
Questions this video answers
How much weight can you lose in the first month on Mounjaro?
Jen says she thinks 5 to 10 lb is possible in month 1, depending on dose and starting point. She stresses this is her opinion and that people should set expectations with their own doctor.
How much weight did Jen lose in 3 months on Mounjaro?
She says she lost around 40 lb in 3 months. She states she stayed on 5 mg for a total of 16 weeks, after increasing once following month 1.
Is a weight loss plateau normal around month 3 on a GLP-1?
Jen says the first plateau may show up around month 3, when the scale could slow down. She says fat loss may still continue, with water retention and body composition shifts possibly hiding progress on the scale.
What does she suggest doing when weight loss slows at 6 months?
She says that around six months weight loss will probably slow and people may notice loose skin or muscle loss. She suggests shifting the focus to building strength, such as strength training one or two days a week, and prioritizing protein.
Videos on the same question
The closest videos in the library by what is said in them, not by title.
MOUNJARO UPDATE | a very honest chat - weight loss, mental health and side effects | UK GLP1 vlogShannon, a mum of two from the UK, shares a detailed update on her experience with Mounjaro.
MOUNJARO UK: A LOOK BACK AT MY GLP-1 MASSIVE WEIGHT LOSS JOURNEY | -80lbs ✨🎀Aimee May, a UK creator who says she is 4 ft 11, looks back on her time on Mounjaro.
My Mounjaro Transformation in 9 months – My 100 lb Weight Loss JourneyGordon, who runs the FatOldClimber channel, describes nine months on Mounjaro (tirzepatide).
I Lost This Much in 6 Months on Mounjaro — Brutal TruthK Eddie, a UK-based creator, gives a six-month update on using Mounjaro (the captions spell it "Marjaro").
How I lost 50lbs in 3 months on MounjaroDr Emma Anders, who says she is an NHS and private GP in the UK, gives an update after just over 3 months on Mounjaro.
I Tried Mounjaro For 3 Months Here's What HappenedIn this video from the Man Does Midlife channel, a man describes roughly 11 weeks on Mounjaro.
Read next
Our guides closest to what this video covers, with prices checked weekly.
- Mounjaro for weight loss, and why Zepbound exists
Mounjaro is tirzepatide approved for type 2 diabetes. Zepbound is the same molecule from the same maker, approved for weight management, and it goes to the same 15 mg. So unlike Ozempic and Wegovy, there is no dose ceiling pushing you from one to the other: the reason people move is coverage and cash price, not strength. Using Mounjaro for weight is off-label and a prescriber's decision. In the one head-to-head trial, tirzepatide beat semaglutide, 20.2% mean body-weight loss at 72 weeks against 13.7%.
- Mounjaro side effects: the label's numbers by dose, the low blood sugar risk, and how tirzepatide compares at weight-loss doses
On Mounjaro's own label, the common side effects are stomach ones and they rise with the dose: nausea in 12, 15 and 18 percent of people at 5, 10 and 15 mg against 4 percent on placebo, diarrhea 12 to 17 against 9, and any gastrointestinal reaction in 37 to 44 percent against 20. Most of it happens while the dose is being raised and fades. Low blood sugar is rare on Mounjaro alone and is mainly a risk when it is added to insulin or a sulfonylurea. Below: the full table, the rare warnings, and why Zepbound's numbers for the same molecule look higher.
- Mounjaro vs Ozempic, and the trial everyone quotes about it
Mounjaro is tirzepatide and Ozempic is semaglutide: different molecules, not two brands of the same drug. Both are approved for type 2 diabetes, and the weight-loss versions are Zepbound and Wegovy. In the one head-to-head trial, SURMOUNT-5, tirzepatide produced 20.2% mean body-weight loss at 72 weeks against semaglutide's 13.7%. The detail almost every page omits: that trial dosed semaglutide to 2.4 mg in people without diabetes, which is the Wegovy range. Ozempic tops out at 2 mg. The famous result did not test Ozempic's dose range.
Find more like it
Side effectsDose changeFood, protein and eatingFood noise and cravingsMood and mental healthExercise and strengthStopping and maintenanceFatigueLow appetite
Up next
More from this collection
Watched it? See what it costs.
Every GLP-1 program we track, ranked by what actually leaves your account.