My 6-Stone Mounjaro Journey (UK): Real Results, Side Effects, Gallbladder Lessons and What Actually Worked

Short answer: Mounjaro helped me lose more than 6 stone by reducing appetite, lowering food noise, and making smaller portions feel more natural. But the medication was only part of the picture. What made the journey actually work in real life was protein-first eating, hydration, simpler meals, repeatable routines, realistic movement, and knowing when side effects were normal versus when symptoms needed medical attention.

This page is my honest UK journey: what changed, what stalled, what helped, what side effects felt like in real life, and what I wish I had known earlier. It is lived experience, not hype.

Important: This page is educational and based on lived experience plus careful research. It is not medical advice. If you have severe or worsening abdominal pain, repeated vomiting, jaundice, fever, chest pain, breathlessness, fainting, or feel seriously unwell, seek urgent medical help.

My timeline at a glance

Stage	What happened	What I learned
Starting point	I began at around 27 stone / 375lbs and knew I could not keep pretending things were “fine.”	Big change starts with honesty, not motivation.
Early Mounjaro phase	Appetite dropped, food noise reduced, portions became easier, and early weight loss felt more dramatic.	The medicine created leverage, but I still needed structure.
Middle phase	Progress slowed, side effects became more pattern-based, and the process felt less exciting but more real.	Consistency matters more than hype.
Support-system phase	I got better at protein, hydration, simpler meals, and friction-free movement.	The boring basics do the heavy lifting.
Gallbladder chapter	I developed gallbladder problems and needed emergency surgery in February 2026.	Do not ignore red flags or assume every abdominal symptom is “just trapped wind.”
Where I am now	I see Mounjaro as a powerful tool, but not a miracle and definitely not a free pass to ignore basics.	Sustainable change is built from systems, awareness, and patience.

Why this page exists

There are loads of articles about Mounjaro results, but a lot of them fall into one of three traps:

• they are thin and generic
• they read like a sales page dressed up as advice
• they talk about “results” without explaining what daily life actually felt like

I wanted this to be more useful than that.

Because the real questions are not just “how much weight did you lose?” They are things like:

• What actually changed in your appetite?
• Did it still work after the first few months?
• What did you eat when you felt sick?
• How did you stop constipation or fatigue from ruining the week?
• What symptoms turned out to matter more than you expected?
• How do you fit movement in when you are tired, heavy, busy, or uncomfortable?

That is what this page is trying to answer.

If you are new to my story, read About this site and Start here first.

My results, in context

Yes, I lost more than 6 stone. That is the headline. But on its own, that number is not enough to help someone. The useful part is the context around it.

Question	My real answer
Did the weight come off evenly?	No. Early progress felt faster. Later phases were slower, less dramatic, and more routine-driven.
Did Mounjaro do all the work?	No. It changed appetite and food noise, but it did not replace good decisions.
Did side effects matter?	Yes. They were not just background noise. They changed how I had to eat, drink, and plan.
Did I still have difficult phases?	Absolutely. Stalls, fatigue, nausea, bowel issues, and later the gallbladder chapter were all part of the journey.
Was it worth it?	For me, yes. But not because it was easy. Because it made change more possible.

One of the biggest mindset shifts I had to make was this: slower progress later on did not mean failure. It meant I was out of the “wow, this is new” phase and into the “can you actually live like this?” phase.

That is where real results are built.

What Mounjaro changed for me

1) Food noise got quieter

For me, one of the biggest changes was mental, not just physical. I stopped thinking about food all the time. That constant background pull reduced. That was massive, because it gave me room to pause instead of acting on autopilot.

2) Smaller portions felt natural

I was no longer trying to force myself into smaller meals while feeling hard-done-by. Portions often felt more intuitive. That does not sound dramatic, but for long-term weight loss it is huge.

3) Impulse eating became easier to interrupt

I was still me. I still had habits, stress, and life. But I had more space between the impulse and the action. That is one of the most practical things the medication changed.

4) The medication made structure more important, not less

This is the part people do not talk about enough. Once appetite drops, it becomes easier to under-eat protein, under-drink, and let routines drift. So although the medication can make eating less easier, it can also make eating well more important.

What Mounjaro did not do for me

• It did not fix stress or poor sleep
• It did not automatically make my diet balanced
• It did not remove the need for movement
• It did not prevent side effects
• It did not protect me from gallbladder problems
• It did not mean I could switch my brain off and let the jab do everything

I think this matters because some people expect too little from Mounjaro, and some expect too much. For me, the most honest way to describe it is this: it gave me leverage. But I still had to use that leverage well.

What actually worked for me

If I had to strip the whole experience down to the practical stuff that made the biggest difference, this would be the list.

Protein-first eating

When appetite drops, it is surprisingly easy to eat less overall but not eat well. I found that protein-first meals gave me a better base. They helped with fullness, made meals feel more purposeful, and reduced the “I’ve barely eaten but somehow I feel rough” problem.

My full guide is here: What to Eat on Mounjaro.

Hydration stopped being optional

This was one of the biggest real-life lessons. Some bad days were not complicated at all. They were hydration days. Headaches, lightheadedness, fatigue, nausea, constipation, and that “why do I feel grim?” feeling often improved when I got fluids back up.

If I had one repeated lesson from this journey, it is that dehydration can disguise itself as all sorts of things.

Smaller, simpler meals

Heavier meals were rarely my friend, especially around dose changes or on days when my stomach already felt unsettled. Smaller meals, gentler choices, and not trying to force big “normal” meals worked better.

Routine over motivation

The best weeks were usually the least glamorous. Enough water. Enough protein. Some walking. Better sleep. Less chaos. Not exciting, but sustainable.

Pattern-tracking without obsession

I do think it helps to notice patterns: what meals trigger nausea, what days constipation creeps in, whether poor sleep and low fluids keep showing up together, whether you keep getting into trouble after long gaps without eating. That is not the same thing as becoming obsessive. It is just paying attention.

My “what helped most” table

Problem	What helped me	What made it worse
Nausea	Smaller meals, lighter food, hydration, not eating too fast	Heavy or greasy meals, trying to “catch up” with one giant meal
Constipation	Fluids, fibre awareness, not ignoring it for days	Too little water, too little food volume, hoping it would sort itself
Fatigue	More fluids, more structure, enough protein, better sleep	Under-eating, dehydration, long chaotic days
Very low appetite	Simple protein-first meals and planned eating windows	Skipping too much food and then feeling awful later
Weight-loss stalls	Patience, consistency, not overreacting	Panic changes, all-or-nothing thinking, chasing dramatic fixes

Normal side effects vs red flags

This is one of the most important sections on the page, because not every symptom needs panic, but not every symptom should be brushed off either.

Symptom	More likely “common side effect / settle and monitor”	More likely “get assessed”
Nausea	Mild, comes and goes, linked to early weeks or meal choices	Persistent, worsening, or combined with repeated vomiting or severe pain
Constipation	Mild slowdown, improves with fluids and routine changes	Severe pain, bloating, vomiting, or no improvement with sensible steps
Abdominal pain	Mild digestive discomfort, short-lived, linked to eating	Severe, constant, right-sided or upper abdominal pain, pain into back/shoulder, fever, jaundice
Fatigue	Improves with rest, food, fluids, and routine	Severe weakness, fainting, confusion, inability to keep fluids down
Vomiting	Brief and self-limited	Repeated vomiting, dehydration, or inability to keep fluids down

These guides go deeper if one symptom keeps tripping you up:

• Mounjaro nausea: what actually helps
• Mounjaro constipation: what actually helps
• Free 14-day meal plan + side-effects survival guide

The side effects I actually dealt with

Nausea

This was one of the most recognisable side effects for me, especially around adjustment periods. Sometimes it was mild. Sometimes it was enough to change what I could eat comfortably. Smaller meals and gentler food usually helped more than trying to “eat normally.”

Constipation

This is easy to underestimate. Lower intake, lower fibre, lower fluids, and slower digestion can all pile up. It can quietly turn a manageable week into a miserable one.

Fatigue and washed-out days

These often linked back to basics: too little food, too little fluid, poor sleep, or all three together.

Appetite suppression that became almost too effective

This sounds like a dream until it makes regular meals harder to manage. There were days where “just eat less” stopped being useful advice and the real issue became “you still need enough nutrition to function.”

The gallbladder chapter I cannot leave out

This page used to be mainly about weight loss and side effects. It cannot stay that simple anymore.

In February 2026, I needed emergency gallbladder surgery. I want to be careful with how I phrase that, because I do not want to overclaim. I am not saying in a simplistic, clickbait way that “Mounjaro caused my gallstones.” Gallbladder issues are more complicated than that. Starting weight matters. Rapid weight loss can matter. Individual risk can matter.

But I am saying this very clearly: if you are on GLP-1 and develop persistent upper abdominal pain, pain that radiates to the back or shoulder, jaundice, fever, or repeated vomiting, do not just tell yourself it is trapped wind and carry on for days.

I wrote a full calm UK guide here because I genuinely wish I had read something like it earlier: The ultimate GLP-1, gallstones and emergency gallbladder removal guide.

I also expanded the wider lived-experience and recovery context on AlanSpicer.com here so the two brands support each other properly.

Stats and facts that make this bigger than one story

• Obesity is not rare or niche. It affects a huge share of adults in England, which is one reason so many people are now searching for practical GLP-1 support.
• Mounjaro is not designed to replace lifestyle basics. It is meant to sit alongside lower-calorie eating and increased activity, which matches my real-life experience exactly.
• The most common side effects are digestive, which is why pages about nausea, constipation, hydration, and meal timing are not “side topics.” They are central topics.
• Gallbladder issues are not the most common outcome, but they are serious enough that readers deserve clear red-flag advice instead of vague reassurance.

Walking pads, treadmills and realistic movement

I did not need a fantasy fitness life. I needed movement that fit real life.

That is one reason I built out the walking pad and treadmill content on this site. When you are heavier, busy, tired, self-conscious, or working from home, “go become a gym person immediately” is not always the most useful advice. Low-friction movement often makes more sense.

Why walking-style movement fit me better

• it felt more realistic than intense cardio
• it was easier to recover from
• it was easier to do consistently on normal days
• it worked with work, calls, TV, or routine stacking
• it supported the bigger goal of being more active without needing to become an athlete overnight

Walking pad vs treadmill: my honest practical view

If you need…	Better fit	Why
Simple daily steps at home	Walking pad	Lower friction, easier to store, easier to use often
Movement while working from home	Under-desk walking pad	Best for admin, calls, emails and breaking up long sitting blocks
Something more workout-like	Foldable treadmill	Usually better for faster paced sessions and more formal exercise time
Small space or neighbour concerns	Quiet walking pad	More realistic in flats and shared spaces

If movement is the part you keep struggling with, these are the best next reads on the site:

• Best under-desk treadmill UK
• Walking pad buying guide UK
• Best quiet walking pads UK

If you want the cleanest single takeaway from this section, it is this: start with the version of movement you will actually repeat. Not the version that sounds most impressive. The version that survives bad weather, low energy, work stress, and normal life.

For direct WalkingPad options, you can also compare current models here: WalkingPad UK.

Supplements and support tools that genuinely helped

I do not believe everyone on Mounjaro needs a huge supplement stack. But I do think lower appetite can make it easier to miss hydration, nutrition, and routine support. That is the context I use for any recommendation.

Lily & Loaf products that make sense as support, not magic

• Daily Essentials Collection – the most obvious “lower appetite / lower intake” support option
• Electrolyte Drink – useful on days where hydration has clearly slipped
• Double Magnesium – one of the simpler options people often explore around sleep, recovery, or general support

Full guide: my Lily & Loaf GLP-1 support guide.

Simple Amazon-style tools that made day-to-day consistency easier

• a large water bottle so hydration stays visible
• a shaker bottle for easier protein intake
• meal-prep tubs for simple repeatable lunches
• a food scale if portions are hard to judge
• a walking pad or treadmill setup if leaving the house is the bit you keep avoiding

If you want a practical starting point, here is my Amazon link for helpful tools: helpful weight-loss and routine tools on Amazon.

Watch the journey unfold

Video pick 1: This helps because it captures the 6-stone milestone in my own voice, which adds emotional context and real-world timeline proof.

Video pick 2: This helps because it covers the gallstones and surgery chapter directly, which adds trust and shows this journey was not one-dimensional.

You can follow the wider diary on Alan Spicer Is Losing It on YouTube.

People Also Ask: the questions people really have

How much weight can you lose on Mounjaro in a year?

It varies massively. Some people lose a little. Some lose a lot. My experience was more than 6 stone across the first main chapter, but that should never be treated as a guarantee or average.

Does Mounjaro stop working after a few months?

Not necessarily. The early dramatic phase often settles down. Later progress can be slower and more habit-driven. That is not the same thing as the medication “stopping.”

What should you eat on Mounjaro?

For me, the most useful rule was protein first, smaller portions, simpler meals, and lighter choices when my stomach was unsettled. Start here: my protein-first guide.

Can Mounjaro make you feel sick?

Yes. Nausea is one of the most common side effects. That does not mean every bit of nausea is dangerous, but it does mean you should learn what helps and know when symptoms are escalating.

Can rapid weight loss cause gallstones?

Yes, rapid weight loss can increase the risk of gallstones. That is one reason I now take upper abdominal pain much more seriously than I did earlier on.

Can a walking pad help with weight loss on Mounjaro?

Yes, but not because it is magic. It helps because it makes movement easier to repeat at home. It is a consistency tool, not a shortcut.

Are supplements necessary on Mounjaro?

Not always. But if appetite is much lower, some people do benefit from simple support around hydration, daily nutrition, or routine. I treat that as support, not a miracle fix.

Frequently asked questions

Is losing 6 stone on Mounjaro normal?

There is no single “normal.” Results vary by starting weight, dose progression, side effects, food intake, activity, sleep, stress, and how long someone stays on treatment. My result is real, but it is not a promise.

What side effects did you get on Mounjaro?

Mainly nausea, constipation, fatigue, reduced appetite that could become almost too strong, and digestive disruption when meals were too heavy or my hydration was poor.

Did Mounjaro feel like a miracle?

No. It felt like a powerful tool that lowered food noise and made better choices easier. That is powerful, but it is not the same as magic.

What helped most with side effects?

Hydration, smaller meals, lighter food when my stomach was off, protein-first structure, and paying attention when symptoms clearly were not settling.

Did Mounjaro cause your gallstones?

I would not frame it that simply. Gallbladder risk is more complicated than that. But I absolutely think people on GLP-1 should know the symptoms and take escalating pain seriously.

What did you eat on Mounjaro when you felt rough?

Usually smaller, gentler, simpler meals. I was much better with lighter foods than with big rich meals.

Did you still need exercise?

I prefer the word movement here. Yes, movement still mattered. But I did not need extreme workouts. Walking and low-friction home movement made far more sense for me.

What is the biggest lesson from the whole journey?

The boring basics matter more than dramatic moments: water, protein, simple meals, repeatable movement, and not ignoring red flags.

Is this page medical advice?

No. This is lived experience plus educational context. Always use your prescriber, GP, pharmacist, NHS 111, or urgent care when symptoms need proper assessment.

Related reading

• What to eat on Mounjaro
• Mounjaro nausea guide
• Mounjaro constipation guide
• Free 14-day meal plan and side-effects guide
• Gallbladder pain vs trapped wind on GLP-1
• Best under-desk treadmill UK
• Walking pad buying guide UK
• Best quiet walking pads UK
• How I access Mounjaro in the UK
• My wider GLP-1 gallbladder guide

Final thought

If there is one thing I want this page to do, it is replace fantasy with something more useful.

Mounjaro can be powerful. It can create real leverage. It can make change feel possible in a way that constant hunger and food noise never did. But it still asks something of you. Better routines. Better awareness. More honesty. More patience. Less drama.

For me, what actually worked was not a hack. It was protein first. Water before I got desperate. Smaller meals when my stomach was off. Walking more instead of waiting for motivation. Building simple systems I could survive on rough days. And learning, the hard way, not to ignore serious warning signs.

That is what made this sustainable.