Tirzepatide no longer effective

[researchpeptideturk]

Hi everyone,

I've been on Tirzepatide for some time, and for roughly 6 months I've also been including Cagritilinde. Each week I use 3mg of Tirzepatide along with 0.5mg of Cagritilinde. Lately, I've started to sense that it's stopped doing its job in some way; my appetite is still reduced, yet the urges to eat have returned, and I'm able to consume large amounts once more. What should I do next?

 

[Anami]

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

 

[researchpeptideturk]

Anami said:

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

This is really annoying... what kind of dose bump makes sense? Also, would moving from once-a-week shots to daily shots of 5 be a smart move?

 

[Calm Logic]

Tirz normally goes up by 2.5 mg/week per step. So that is fine, no matter how you split it. Daily dosing is very unusual, especially next to every five days.

 

[Gwynhwyfar]

researchpeptideturk said:

Anami said:

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

This is really annoying... what kind of dose bump makes sense? Also, would moving from once-a-week shots to daily shots of 5 be a smart move?

Going from 5 mg per week to the following level makes sense; should it lose its effect after a few months, 7.5 mg becomes an option. One rule still applies: injections need a gap of no less than 3 days, and daily Tirz dosing is absolutely off-limits!!!

 

[Grogu]

researchpeptideturk said:

Anami said:

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

This is really annoying... what kind of dose bump makes sense? Also, would moving from once-a-week shots to daily shots of 5 be a smart move?

Is there a particular reason you haven't raised your dosage yet? Do you tolerate the side effects well? If that's the case, then increasing the dose is certainly something you should do.

From what you wrote in your introduction, it sounds like your tirzepatide use began in January 2025 — is that right? If that's true, then you might be nearing the point where tirzepatide can no longer deliver much additional weight loss. Are you near your target weight, or have you already reached it?

Regarding injecting every day, that probably won't make a difference. If appetite starts coming back toward the end of the week, the first thing worth trying would be a higher dose.

 

[lessthanhalf]

Going from 3mg once a week to 3mg every day is a massive jump — 7 times your previous amount, which works out to 21mg /week. That's beyond the usual maximum, and if you started from 5mg it would be 35mg /week, which is far too much. Either scenario carries a very serious danger of leaving you feeling extremely sick, with nausea and vomiting, and a strong likelihood you'd need to be admitted to hospital because of the dehydration caused by throwing up.

When you're self-administering medicines that are prescription-only, you absolutely must learn how to do it without harming yourself. The fact that you didn't even realize you were contemplating a 7-fold dose increase shows you're a long way from safe. This is precisely the situation that lands people in hospital after using grey peptides.

If you're set on a schedule other than once weekly, remember that the weekly total equals the dose multiplied by how many doses you take each week. For tirzepatide the ceiling is 15mg , and you should never raise your dose by more than 2.5mg per week. According to the manufacturer, the schedule is 2.5mg for 4 weeks, then 5mg for 4 weeks , then 7.5mg for 4 weeks , then 10mg for 4 weeks, then 12.5mg for 4 weeks, and finally 15mg — all on a weekly basis.

I'd urge you to run your numbers through a peptide calculator to verify how you're mixing the peptides with bac and what doses you're actually taking. I don't use any myself, so hopefully someone else can suggest one, please.

Cagrilintide hasn't been approved yet. My advice would be not to adjust its dose at the same time as tirzepatide.

As for tirz, if you're currently on 3mg , move up to 5mg for 4 weeks and observe what happens. If you get no side effects and weight loss is either not happening or is slow, then go to 7.5mg for 4 weeks and continue in that pattern.

Without basic details such as age, height, starting weight, goal weight and current weight, giving dose advice is more or less impossible. Still, being on such a low dose after more than a year suggests to me that you didn't do the research on this drug that safe use requires.

I'd strongly urge you to read extensively about these drugs, whether here or on other online sources. Also read up on diluting peptides with bacterostatic water and on using these potent drugs safely.

If you have questions, please ask them — someone will answer. Asking is far safer than going ahead with something that could be very dangerous, like multiplying your dose by 7 in one go.

 

[researchpeptideturk]

Appreciate everyone's input! What I was actually trying to say is that I wanted to space my shots 5 days apart rather than 7. Since I rely on a translator, that detail came out wrong.

As for why I haven't gone up in dose: 2.5mg was working well for me, and once things slowed down I bumped it by 0.5mg. Next week I plan to switch to 5mg Tirz — should I drop the Cagri, or keep it at 0.5mg?

 

[5byfive]

Grogu said:

researchpeptideturk said:

Anami said:

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

This is really annoying... what kind of dose bump makes sense? Also, would moving from once-a-week shots to daily shots of 5 be a smart move?

Is there a particular reason you haven't raised your dosage yet? Do you tolerate the side effects well? If that's the case, then increasing the dose is certainly something you should do.

From what you wrote in your introduction, it sounds like your tirzepatide use began in January 2025 — is that right? If that's true, then you might be nearing the point where tirzepatide can no longer deliver much additional weight loss. Are you near your target weight, or have you already reached it?

Regarding injecting every day, that probably won't make a difference. If appetite starts coming back toward the end of the week, the first thing worth trying would be a higher dose.

Does a ceiling actually exist? There's constant chatter about some window of effectiveness, yet I'm not convinced. Sure, if you race upward to the maximum dose as fast as you can, your system will adapt. On the other hand, if you let the minimum effective dose guide your increases, my guess is you might never reach that ceiling at all.

It's worth remembering that the schedules for dosing chosen in those trials are likely far from optimal. A trial aims to demonstrate the greatest weight loss in the shortest period, while avoiding confounders such as diet and exercise, all so the drug can be sold more widely.

I'd wager a significant sum that titrating more gradually, combined with a shift toward food that has less calorie density (and ideally resistance training), would produce far superior outcomes over the long haul, and we'd no longer observe effectiveness falling off after roughly a year, since the majority of people would likely be taking a far smaller dose. What the trial data really show us are the results the companies believe will make the biggest headlines.

 

[domin8brix]

I only bump it up in tiny increments--1 or 2 units at most each time--so if 3mg per week is where you are now, try moving to 3.25 for a few weeks.

 

[Grogu]

5byfive said:

Grogu said:

researchpeptideturk said:

Anami said:

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

This is really annoying... what kind of dose bump makes sense? Also, would moving from once-a-week shots to daily shots of 5 be a smart move?

Is there a particular reason you haven't raised your dosage yet? Do you tolerate the side effects well? If that's the case, then increasing the dose is certainly something you should do.

From what you wrote in your introduction, it sounds like your tirzepatide use began in January 2025 — is that right? If that's true, then you might be nearing the point where tirzepatide can no longer deliver much additional weight loss. Are you near your target weight, or have you already reached it?

Regarding injecting every day, that probably won't make a difference. If appetite starts coming back toward the end of the week, the first thing worth trying would be a higher dose.

Does a ceiling actually exist? There's constant chatter about some window of effectiveness, yet I'm not convinced. Sure, if you race upward to the maximum dose as fast as you can, your system will adapt. On the other hand, if you let the minimum effective dose guide your increases, my guess is you might never reach that ceiling at all.

It's worth remembering that the schedules for dosing chosen in those trials are likely far from optimal. A trial aims to demonstrate the greatest weight loss in the shortest period, while avoiding confounders such as diet and exercise, all so the drug can be sold more widely.

I'd wager a significant sum that titrating more gradually, combined with a shift toward food that has less calorie density (and ideally resistance training), would produce far superior outcomes over the long haul, and we'd no longer observe effectiveness falling off after roughly a year, since the majority of people would likely be taking a far smaller dose. What the trial data really show us are the results the companies believe will make the biggest headlines.

Right — every dose has a ceiling, and at some point tirzepatide quits doing its job regardless of whether you're on a high dose or a low one.

Your idea would follow the blue curve I sketched here. The claim is that going slow lets you jump ahead of people who titrate fast, because of "receptor burnout"? I haven't come across any hard data showing receptor burnout exists, nor that rapid titration makes people adapt to the drug sooner. If that held up, the 10mg and 5mg arms should have outperformed the 15mg arm — the one that titrated fastest — shouldn't they?

On top of that, participants carrying more excess weight responded better to quick titration than to gradual titration, and by a wide margin.

 

[Calm Logic]

researchpeptideturk said:

Appreciate everyone's input! What I was actually trying to say is that I wanted to space my shots 5 days apart rather than 7. Since I rely on a translator, that detail came out wrong.

As for why I haven't gone up in dose: 2.5mg was working well for me, and once things slowed down I bumped it by 0.5mg. Next week I plan to switch to 5mg Tirz — should I drop the Cagri, or keep it at 0.5mg?

There's no reason I can see to quit cagri or cut the amount, particularly since a clinical trial is getting underway that involves using the two together.

What's your length of time on tirz at 3 mg? And how long have you been taking cagri at 0.5 mg?

 

[JimGainz]

If someone moved over to Sema or Reta for roughly 2 months, would that give Tirz a reset? One option: buy a kit of Sema or Reta and keep it on hand for resets like this (for example, use only 25% of that Sema or Reta kit, then switch back to Tirz).

 

[Calm Logic]

JimGainz said:

If someone moved over to Sema or Reta for roughly 2 months, would that give Tirz a reset? One option: buy a kit of Sema or Reta and keep it on hand for resets like this (for example, use only 25% of that Sema or Reta kit, then switch back to Tirz).

A 3 mg dose of tirzepatide does not qualify as therapeutic, at least according to big pharma. For both obesity and diabetes, 5 mg is the dose regarded as therapeutic.

Click to expand...

 

[5byfive]

Grogu said:

5byfive said:

Grogu said:

researchpeptideturk said:

Anami said:

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

This is really annoying... what kind of dose bump makes sense? Also, would moving from once-a-week shots to daily shots of 5 be a smart move?

Is there a particular reason you haven't raised your dosage yet? Do you tolerate the side effects well? If that's the case, then increasing the dose is certainly something you should do.

From what you wrote in your introduction, it sounds like your tirzepatide use began in January 2025 — is that right? If that's true, then you might be nearing the point where tirzepatide can no longer deliver much additional weight loss. Are you near your target weight, or have you already reached it?

Regarding injecting every day, that probably won't make a difference. If appetite starts coming back toward the end of the week, the first thing worth trying would be a higher dose.

Does a ceiling actually exist? There's constant chatter about some window of effectiveness, yet I'm not convinced. Sure, if you race upward to the maximum dose as fast as you can, your system will adapt. On the other hand, if you let the minimum effective dose guide your increases, my guess is you might never reach that ceiling at all.

It's worth remembering that the schedules for dosing chosen in those trials are likely far from optimal. A trial aims to demonstrate the greatest weight loss in the shortest period, while avoiding confounders such as diet and exercise, all so the drug can be sold more widely.

I'd wager a significant sum that titrating more gradually, combined with a shift toward food that has less calorie density (and ideally resistance training), would produce far superior outcomes over the long haul, and we'd no longer observe effectiveness falling off after roughly a year, since the majority of people would likely be taking a far smaller dose. What the trial data really show us are the results the companies believe will make the biggest headlines.

Right — every dose has a ceiling, and at some point tirzepatide quits doing its job regardless of whether you're on a high dose or a low one.

Your idea would follow the blue curve I sketched here. The claim is that going slow lets you jump ahead of people who titrate fast, because of "receptor burnout"? I haven't come across any hard data showing receptor burnout exists, nor that rapid titration makes people adapt to the drug sooner. If that held up, the 10mg and 5mg arms should have outperformed the 15mg arm — the one that titrated fastest — shouldn't they?





View attachment 10427

On top of that, participants carrying more excess weight responded better to quick titration than to gradual titration, and by a wide margin.

View attachment 10428

None of that goes against my point. First, no diet changes were involved in that. Second, the dose stays fixed the whole time. My argument is that when you alter what you eat and raise the dose only as much as needed, the stretch of weight loss gets much longer, and the drug keeps working for even more time beyond that. Chances are you won't lose much less weight, if any at all. You can't put the trial weight loss side by side with weight loss from the med plus a diet lower in calorie density. Sure, people who just use the med will see better outcomes on a higher amount. What I'm claiming is that a smaller dose combined with diet changes gives superior results and lengthens, or maybe even sidesteps, the window where it still works.

 

[Grogu]

5byfive said:

Grogu said:

5byfive said:

Grogu said:

researchpeptideturk said:

Anami said:

Even though tirzepatide continues to do its job, the body increases its hunger signals. That is exactly why obesity counts as a chronic condition that relapses. Simply raise your dose.

This is really annoying... what kind of dose bump makes sense? Also, would moving from once-a-week shots to daily shots of 5 be a smart move?

Is there a particular reason you haven't raised your dosage yet? Do you tolerate the side effects well? If that's the case, then increasing the dose is certainly something you should do.

From what you wrote in your introduction, it sounds like your tirzepatide use began in January 2025 — is that right? If that's true, then you might be nearing the point where tirzepatide can no longer deliver much additional weight loss. Are you near your target weight, or have you already reached it?

Regarding injecting every day, that probably won't make a difference. If appetite starts coming back toward the end of the week, the first thing worth trying would be a higher dose.

Does a ceiling actually exist? There's constant chatter about some window of effectiveness, yet I'm not convinced. Sure, if you race upward to the maximum dose as fast as you can, your system will adapt. On the other hand, if you let the minimum effective dose guide your increases, my guess is you might never reach that ceiling at all.

It's worth remembering that the schedules for dosing chosen in those trials are likely far from optimal. A trial aims to demonstrate the greatest weight loss in the shortest period, while avoiding confounders such as diet and exercise, all so the drug can be sold more widely.

I'd wager a significant sum that titrating more gradually, combined with a shift toward food that has less calorie density (and ideally resistance training), would produce far superior outcomes over the long haul, and we'd no longer observe effectiveness falling off after roughly a year, since the majority of people would likely be taking a far smaller dose. What the trial data really show us are the results the companies believe will make the biggest headlines.

Right — every dose has a ceiling, and at some point tirzepatide quits doing its job regardless of whether you're on a high dose or a low one.

Your idea would follow the blue curve I sketched here. The claim is that going slow lets you jump ahead of people who titrate fast, because of "receptor burnout"? I haven't come across any hard data showing receptor burnout exists, nor that rapid titration makes people adapt to the drug sooner. If that held up, the 10mg and 5mg arms should have outperformed the 15mg arm — the one that titrated fastest — shouldn't they?





View attachment 10427

On top of that, participants carrying more excess weight responded better to quick titration than to gradual titration, and by a wide margin.

View attachment 10428

None of that goes against my point. First, no diet changes were involved in that. Second, the dose stays fixed the whole time. My argument is that when you alter what you eat and raise the dose only as much as needed, the stretch of weight loss gets much longer, and the drug keeps working for even more time beyond that. Chances are you won't lose much less weight, if any at all. You can't put the trial weight loss side by side with weight loss from the med plus a diet lower in calorie density. Sure, people who just use the med will see better outcomes on a higher amount. What I'm claiming is that a smaller dose combined with diet changes gives superior results and lengthens, or maybe even sidesteps, the window where it still works.

Your point about diet and exercise from that initial message? I never even got to it. Are you aware that participants in these trials get dietary guidance? And their body measurements, weight included, get tracked throughout? And they actually want to shed pounds — why else would someone enroll in a clinical study?

Compared with the majority of folks taking these drugs, the people in these trials receive far more oversight and support.

 

[5byfive]

I don't mean to come across as combative, yet my position hasn't changed. These trials aren't built to fine-tune the protocol; their aim is FDA clearance and media coverage. Everyone gets pushed upward fast to a set dose, then it stops there. As additional research comes out, my guess is we'll see that if diet is accounted for and the dose is raised according to weight loss rather than a calendar, people will climb doses more gradually and the medication will keep working for a longer stretch. Any specific dose will probably lose some punch as the body adjusts, but it defies logic that it would quit entirely, even when the dose goes up. In my view, a person who adjusts their diet and moves up in dose more slowly, guided by results and pounds lost, won't fare much worse than someone who doesn't do that and simply keeps raising the dose to shed weight. That also means the slower escalator has more room left to go up later, so they won't run into a ceiling on effectiveness at roughly the 1-year mark. Seems fairly sound to me. Eventually there will be more detailed studies that dissect this and either confirm or refute it, but I'm sticking with that take.

 

[Grogu]

5byfive said:

I don't mean to come across as combative, yet my position hasn't changed. These trials aren't built to fine-tune the protocol; their aim is FDA clearance and media coverage. Everyone gets pushed upward fast to a set dose, then it stops there. As additional research comes out, my guess is we'll see that if diet is accounted for and the dose is raised according to weight loss rather than a calendar, people will climb doses more gradually and the medication will keep working for a longer stretch. Any specific dose will probably lose some punch as the body adjusts, but it defies logic that it would quit entirely, even when the dose goes up. In my view, a person who adjusts their diet and moves up in dose more slowly, guided by results and pounds lost, won't fare much worse than someone who doesn't do that and simply keeps raising the dose to shed weight. That also means the slower escalator has more room left to go up later, so they won't run into a ceiling on effectiveness at roughly the 1-year mark. Seems fairly sound to me. Eventually there will be more detailed studies that dissect this and either confirm or refute it, but I'm sticking with that take.

Good-faith disagreement is healthy, and everyone is allowed to hold their own views, myself included. I'll freely acknowledge that my perspective is shaped by my own circumstances: I was someone who had 100+ pounds to shed, which amounted to 39% of the weight I started at. And honestly, from the bottom of my heart, I wish the scenario you're describing were how things actually work. Yet when it comes to people with severe obesity, slow titration paired with low doses strikes me as a recipe where a lot of people simply never reach their target.

Take a relative of mine: she dropped 50 pounds without ever exceeding 2mg. She sits 3 pounds away from her goal and never once increased her dose. That said, she has only been on tirzepatide for roughly 9 months. Still, I suspect she wouldn't even have been eligible for the drug under the conventional criteria, since her BMI never went above 30 and she had no other medical conditions.

So if you (or anybody who reads this later) resemble my relative, then fine, sure, start low and move slowly. But when someone has a serious amount of weight to lose, that approach strikes me as illogical.

As of right now, I've dropped 115#s, which is 34% of my starting body weight. Plainly, I've sailed way beyond what the clinical trials predicted I would lose. My titration was fast and furious. I never sat around waiting through month-long stalls to decide my next dose. It's established that larger doses of every one of these medications produce the greatest weight loss, and that's the bottom line.

 

[anhydrous]

How much rate matters varies from person to person. It's clear that in trials they enroll extremely ill subjects and push doses up very fast, aiming to demonstrate the highest rate across the largest number of people within a set timeframe. Other approaches will be needed that prioritize things like comfort, adherence, and dropout rate more heavily.

 

[lessthanhalf]

According to every GLP study, weight loss tapers down to nearly nothing roughly 12 months or somewhat more after treatment begins. Whether the pace of titration matters much remains uncertain; one possibility is that if dose escalation spans 3 to 5 months, then reductions in weight loss appear 9 months after reaching the maximum dose. My reading of this is largely that this reflects the duration required to shed enough weight to arrive at that plateau, not a shift in the drug's potency at that stage.

It seems somewhat implausible to me that someone who had spent a year on a smaller dose — 5 or 10mg of tirz, for instance — and whose weight loss had plateaued would get no response whatsoever from raising the dose at that point. Perhaps it would be somewhat less effective than escalating sooner.

One argument for titrating more quickly rather than more slowly: once roughly a year of low calorie intake has passed, metabolic adaptation really begins to matter, so daily energy expenditure falls, which makes further weight loss harder than it was shortly after starting. That decline in energy use can be substantial — around 20% perhaps — meaning that for any given level of appetite suppression or calorie intake, the gap between expenditure and intake shrinks considerably, producing less weight loss. On top of that comes the additional drop in energy expenditure from losing metabolically active tissue in fat, organs and muscle, and this effect may grow even larger.