CommunityDosing & Titration

Does Tirz lose its effect over time for weight maintenance?

26 replies13 peopleApr 4, 2026☆ Follow
Summary

What happens when tirzepatide stops working for weight loss or maintenance, especially with strong food noise or BED?

Users report plateaus around 12-18 months even at max doses, but many view this as the body reaching a new equilibrium rather than total loss of effect. Stacking with retatrutide, cagrilintide or semaglutide, adjusting injection frequency, or lowering intake temporarily helped several break stalls and move into maintenance. Lifestyle changes are seen as essential for long-term success, yet those with BED note that underlying drives often persist beyond habits alone. Research on GLP-1s for BED remains early but suggestive.

What this discussion establishesWhere people disagree

Whether tirzepatide truly loses efficacy or simply reaches equilibrium at the new weight; some see stacking as necessary while others emphasize lifestyle only

Still open

How to maintain long-term results for severe BED cases once maximum doses are reached or tolerance develops

Nothing here is advice.

26 replies · 13 people
KeenSignal54archiveopening postApr 4

It looks like most people eventually hit a point where tirz stops delivering the same results even after raising the dose. My biggest worry is what happens in maintenance if you already deal with strong food noise or BED. You can’t fast forever and you can’t quit your job to exercise eight hours a day. Do people switch to another GLP-1, add something like an amylin agonist, or just accept that it fades? I’d like to hear from those who are further along about how they handled the period after the drug stopped helping.

QuietAlder20archiveApr 4
↳ replying to @KeenSignal54 (opening post)

I plateaued ten pounds short of goal on 15 mg tirz. I tried injecting every six days then every five. Adding a midweek 2.5 mg reta dose finally moved the scale. Now I use 10 mg tirz staggered with 5 mg reta for maintenance and my A1C dropped from 6.8 to 5.0.

PatientFenwick39archiveApr 4

Relying only on medication carries the risk that the body will adapt. These drugs mainly give you a window to build better habits that last after the medication. You don’t need to fast or spend eight hours in the gym; three or four one-hour sessions a week are enough. Eating the same foods that caused the original gain just in smaller amounts sets you up for rebound once the drug is gone.

QuietWillow76archiveApr 4

I don’t believe the effect fully disappears. I haven’t seen anyone regain significant weight while staying on consistent weekly injections. Stalling happens, but actual loss of effect leading to big rebounds while still injecting every week seems rare. For some people success simply means not regaining the usual ten pounds a year.

BlueAlder28archiveApr 4
↳ replying to @KeenSignal54 (opening post)

I’ve reached the same point. Someone explained it as the body and the peptides reaching equilibrium at the new weight instead of the drug suddenly failing. You haven’t returned to your starting weight, so this is the new balance based on current intake, activity, and medication. Further changes are needed to move beyond it. I’m thinking about adding cagrilintide or reta next.

WarmSparrow60archiveApr 4

It feels more like a shadow than a ghost. When plateaus happen the body has adapted to that dose so neither positive nor negative effects are noticeable. The usual response is to increase intake for faster results, but the better move is to lower intake for about a month to reset the baseline before titrating back up. Sometimes less is more.

WarmHarbour28archiveApr 4

I do 15 mg on Thursday and 4.5 mg on Saturday because I have 0.5 ml syringes. It works, though I can still override the signals because of the buffet culture around here. Doctors try to improve longevity and quality of life and it has helped, but something will eventually get you. I never smoked so maybe cancer, but at least stroke risk is lower now.

KeenSignal54archiveApr 4
↳ replying to @WarmSparrow60

The shadow-versus-ghost way of looking at it is interesting. Lowering intake to reset the baseline before going back up makes sense. I hadn’t considered that approach before.

QuietAlder20archiveApr 4
↳ replying to @KeenSignal54

Ten to twelve hours a day in the office? You must be in Milano. In my five years in Roma I never saw anyone working like that; they all seemed to be government or academics who were always at lunch.

KeenSignal54archiveApr 4
↳ replying to @QuietAlder20

That’s great, especially the A1C improvement. Thanks for sharing how adding reta helped break the plateau and move into maintenance.

KeenSignal54archiveApr 4
↳ replying to @QuietAlder20

I live near Turin and I believe you. I was clearly meant to be born in southern Italy and work in public administration.

KeenSignal54archiveApr 4
↳ replying to @QuietWillow76

Sustainable habits are important long term and these meds create a useful window for that. For people with strong food noise or BED, though, it can be more complicated than habits alone, which is why I wanted to hear different experiences.

KeenSignal54archiveApr 4
↳ replying to @PatientFenwick39

My original post may have been too long. Your reply is valid but feels obvious and doesn’t address the core issue. It applies mainly to people who gained weight from boredom or inactivity, not to those with severe ongoing food noise or BED that therapy hasn’t resolved. Lifestyle changes alone don’t always fix that. Also, five lifting sessions of two to two-and-a-half hours each while working full time is impressive; my schedule with a 10-12 hour finance job and commuting leaves far less room.

KeenSignal54archiveApr 4
↳ replying to @BlueAlder28

Framing it as reaching a new equilibrium instead of the drug failing is helpful. Maintaining a lower weight is already a big change from the start. I’d be interested to hear how stacking works if you try it.

QuietWillow76archiveApr 4
↳ replying to @QuietAlder20

If you haven’t tried everything then try combining and maxing them out. There isn’t one right way; technically none of this is officially recommended. People who claim there is a correct method are usually selling advice. I prefer picking one base medication like tirz or reta to max out while adding micro doses of others along the way.

ClearHarbour45archiveApr 4
↳ replying to @WarmHarbour28

Gained two pounds this week and stayed at 232 for six weeks even after adding cardio and cutting sugar. On 10 mg reta and 2 mg sema every six days my body seems to have stopped responding after fifteen months. Glucose is over 100 and I’m frustrated. My supply is fine since my wife lost eleven pounds in her first month at a low dose, but I’m clearly a poor responder.

CopperFenwick68archiveApr 4

The SURMOUNT study showed tirz weight loss leveling off around one year to 72 weeks.

KeenSignal54archiveApr 4
↳ replying to @WarmHarbour28

Sounds like you found a schedule that works for you. Being able to override the signals is still tough even on the meds, and none of us get out of here alive, but better quality of life along the way is still worthwhile.

KeenSignal54archiveApr 4
↳ replying to @CopperFenwick68

I’ve heard similar reports of weight loss slowing or stopping around that timeframe, sometimes before goal weight is reached.

BrightKettle28archiveApr 4
↳ replying to @ClearHarbour45

You sound frustrated. Switching things up helped someone else get back on track. We’re all just trying to improve ourselves since no one else will do it for us. Hang in there.

KeenSignal54archiveApr 4
↳ replying to @ClearHarbour45

I understand the frustration after fifteen consistent months. A couple of pounds could be water, stress, or glucose rather than fat. Stalls after that long are common and often pass eventually.

SteadyQuill55archiveApr 4
↳ replying to @CopperFenwick68

This is worrying me too. I started tirz last June and have been stuck six pounds from goal for the last two months on 8 mg tirz plus 1.6 mg survo. I don’t want to raise the dose because of the fatigue. I switched to reta recently to avoid a gap while the tirz clears, but I’m not sure if that resets the 72-week clock or if the clock keeps running. There’s no data on stopping, starting, and switching between different GLP-1s.

KeenSignal54archiveApr 4
↳ replying to @SteadyQuill55

“Randompersonrandom is fucking around” might be the most accurate variable in any study. It feels like we all left the study protocol months ago and are just experimenting. Still, staying only six pounds from goal while juggling all these variables is impressive. Hope you can finish without the fatigue returning.

CopperSignal27archiveApr 5

The most common reason these drugs seem to stop working is that weight loss has occurred and you are now at the new normal weight for that dose. Metabolic rate drops and hunger rises, so it feels ineffective, yet the drug is still maintaining the lower weight. Research on GLP-1s for BED is early but promising. My own solution was to completely avoid high-calorie rewarding foods, follow a high-protein low-energy-density diet, and later add 15 mg tirz, 5 mg reta, and 0.5 mg cagri to make maintenance easier.

PlainQuill53archiveApr 5

This is my personal experience with tirz and BED. I lost over 100 pounds years ago through willpower, regained most of it, then lost another 60 pounds the same way before starting tirz. The medication made the next 50 pounds easier with less mental effort while still following the same meal plan. When progress slowed I adjusted meals to be lighter or added more volume. Once in the normal BMI range my doctor shifted focus to maintenance and getting used to the new intake level.

KeenSignal54archiveApr 5
↳ replying to @CopperSignal27

That perspective on reaching a new normal weight for the current dose is useful. Respect for the sustained loss from 145 kg to 75 kg. The part about still feeling hungry most of the time even after doing everything right is exactly what many people underestimate and why it goes beyond simple habits.

KeenSignal54archiveApr 5
↳ replying to @PlainQuill53

Respect for the discipline shown across multiple weight-loss efforts. Using tirz to reduce mental pressure while sticking to a plan is valuable. At the same time, more severe BED cases are often tied to deeper issues that don’t fully resolve, so overriding hunger isn’t always enough. Your approach may not be easy for everyone to copy.

Add your experience

If you have tried it, this topic is still open. Sign in to reply — it takes a minute.