CommunityCompound Experiences

Max doses, have you tried them?

33 replies12 peopleMay 15, 2026☆ Follow
Summary

What experiences and views exist on retatrutide doses above 12 mg for weight loss?

Participants report clinical data showing modest additional loss beyond 12 mg with diminishing returns, while some have personally gone higher without major side effects and continue losing. Others note higher doses bring more side effects for limited extra benefit on average and favor staying at the lowest effective dose or adding other agents. Individual response varies widely, with some achieving strong results on low doses and others needing escalation based on hunger, loss rate, and tolerance.

What this discussion establishesWhere people disagree

Whether to escalate doses proactively to maximize total loss or hold at the lowest effective dose to minimize side effects and muscle loss.

Still open

Optimal strategy for people who lose less than average on standard maximum doses or want to exceed 30-35% total body weight reduction.

Nothing here is advice.

33 replies · 12 people
KeenKettle50archiveopening postMay 15

Clinical trials went up to 12 mg and the benefits level off between 8 and 12 mg. Has anyone here gone above 12 mg?

KeenKettle50archiveMay 15

The trial showed 22.8 percent weight loss at 8 mg and 24.2 percent at 12 mg, so the dose-related gains start flattening.

LevelThistle44archiveMay 15
↳ replying to @KeenKettle50

At 68 weeks the numbers were 26.4 percent at 9 mg versus 28.7 percent at 12 mg. That is diminishing returns rather than a true plateau. Higher doses raise the odds of bigger losses for more people without adding meaningful side effects. I want to reach 30-35 percent loss and am willing to go higher to improve those odds.

PlainAlder11archiveMay 16

Eight milligrams is the highest I have reached so far. I just started that level.

CopperSignal27archiveMay 16

Higher doses of these GLP drugs usually add a little more loss but bring noticeably more side effects. The semaglutide studies at 7.2 mg and 16 mg showed exactly that pattern. A higher-dose tirzepatide trial is underway but details are not public yet. Very few people here have posted about going above standard reta doses, so it is uncommon. One extrapolation study suggested mid-30 percent loss might be possible at 20 mg. What still needs study is whether higher doses help people who lose below average on the usual maximum, assuming side effects are not the limiter. Right now there are reports of tirzepatide up to 25 mg, but adding low-dose cagrilintide to 12 mg reta may make more sense.

WarmAnchor46archiveMay 16
↳ replying to @PlainAlder11

Are you shining with a radiance to match the sun?

LevelThistle44archiveMay 16
↳ replying to @PlainAlder11

I took 9 mg this morning. Think so? The trial showed 39 percent of people lost at least 30 percent and 24 percent lost at least 35 percent. My plan is to stack later if needed, but so far it looks like I could hit 30-35 percent in roughly ten months.

CopperSignal27archiveMay 16

I am referring to average loss, not the top end of the range. There will always be variation across a large group. The best average I know for reta at 12 mg is around 29 percent over a bit more than a year, with half the people above and half below that. Five to ten percent will lose very little. You cannot know your own response until you try it, though diabetes and being male tend to reduce results. Maximum loss in a study is not a reliable guide to what most people will see. The most sensible approach for someone who is GLP-naive and has severe obesity is to start reta, adjust the dose according to hunger, loss rate, and side effects, and only decide on next steps once you reach your maximum tolerated dose or 12 mg or a stall.

LevelThistle44archiveMay 16
↳ replying to @CopperSignal27

Assuming the three options are maximum tolerated dose, 12 mg, or stall, how far would you go if side effects were not a problem? I am not in any rush, just looking for straightforward discussion without the usual low-and-slow warnings.

CopperSignal27archiveMay 16
↳ replying to @LevelThistle44

It mainly depends on how much weight you need to lose. One milligram produced 9 percent loss over a year, so low doses work fine for modest overweight but not for obesity. If the goal is 25 percent or more, most people will probably need the higher doses. If a given dose produces steady loss with no side effects and eating is easy to control, there is no strong reason to increase further. The main argument for still going higher would be the direct long-term benefits on diabetes and heart disease prevention, which are stronger at higher doses. Those benefits are proven for semaglutide and tirzepatide when baseline risk is high.

LevelThistle44archiveMay 16
↳ replying to @CopperSignal27

I started at a BMI of 36.5 and had been as high as 39 in 2018. Labs were mostly good. Current BMI is around 29. I have gone well past 12 mg with no real side effects, feel fine, and am losing about 1 percent of body weight per week with single-digit lean mass loss over the last 34 pounds. I have blood work on Monday and another DEXA in the next couple of weeks.

CopperSignal27archiveMay 16

That is a solid response overall: above 12 mg with minimal side effects and low lean mass loss, probably helped by weight training. Many people mention these drugs affecting sleep, but I have not noticed it myself.

PlainAlder11archiveMay 16
↳ replying to @WarmAnchor46

No glow at 8 mg for now, and I live in the Sunshine State. Like someone else said, I have no side effects anymore. I do shots on Friday and used to feel fullness and heartburn at bedtime, but that has gone away.

WarmSparrow60archiveMay 16

I maxed tirzepatide at 15 mg with no plans to lower. Ninety-nine pounds lost after one year and my 52nd shot next week.

CopperSignal27archiveMay 16

Congratulations. The graph looks like loss is starting to slow after being fairly linear. At 191 pounds you are probably close to target. Being on it for a year fits with some slowing, and you have only been at 15 mg for a few months. Studies showed little extra loss between 10 and 15 mg, and you have been above 10 mg for a long time.

IronThistle53archiveMay 16

Question for the group: the trials titrate to 2, 4, 6, 8, 9, 10, or 12 mg and then stay at that dose for the rest of the study, which is another 12-18 months. So most of the time participants are on a fixed dose after titration. Most people here seem more conservative and try to use the lowest dose that works, which is probably safer but may not match trial results. Enjoying the discussion.

LevelThistle44archiveMay 16
↳ replying to @CopperSignal27

I have not been to the gym in two and a half months and was mostly doing cardio. I keep saying I will get back to it. TRT probably helps the most with muscle, and HMB-FA is supposed to help too. I am not sure the GLP drugs are the main reason for my sleep efforts, though they probably contribute. I still sleep okay when I put the work in. DSIP alone seemed to mess up my sleep even though my ring showed plenty of deep sleep already. I stopped after five days and have been trying to recover my sleep debt. The recent bump and flatline started when I added creatine, which might push lean mass above my first scan. The graph leaves out the ten pounds lost on tirzepatide from mid-December to early January, but the overall weight data includes it. An annoying Shotsy quirk.

CopperSignal27archiveMay 16

In the trials everyone starts obese with BMI at least 30, so higher doses make sense there. On this forum more than half the people are not obese; they are either overweight with BMI 25-30 or already lean and trying to get even lower for looks or bodybuilding. Doses of 12 mg are probably not appropriate or needed for that group. One milligram of reta produced 9 percent average loss over a year, so people wanting only small losses can often do it with doses under 4 mg. The drugs were not developed for that use case. Even very lean people wanting to be leaner have that choice, but the risk-benefit balance is very different from severe obesity.

GreenMeadow54archiveMay 16
↳ replying to @CopperSignal27

Another common claim is to just follow the trial schedule, but that schedule was never proven optimal. It was a guess applied to everyone the same way. We are still early in learning what doses actually work best. With any drug the lowest effective dose is usually smartest. There is always some downside, whether it is a rare side effect, extra cardiovascular stress, or something else. The key is whether it is still effective. If the current dose is doing what you need, there is no reason to increase just to increase. Increase when effectiveness drops. It is also not a race; faster is not automatically better.

LevelThistle44archiveMay 16
↳ replying to @GreenMeadow54

Slower is not automatically better either. Efficacy right now does not guarantee long-term results, and efficacy itself is loosely defined. In the trials every dose plateaued on roughly the same timeline, which suggests time itself matters. It has not been studied whether raising a dose after a plateau produces meaningful extra loss compared with the trial schedules. The idea that there is always a downside also applies to going slow. Obesity itself has well-documented serious downsides. Plateaus happen over time. From someone who started quite heavy, the common dire downsides of these drugs are not obvious. Dropping 80-100 pounds in 8-10 months at 1 percent per week beats taking 16-22 months at half a percent. The plateau timing becomes relevant around 69-95 weeks.

SteadyCinder74archiveMay 16

I am still at 2 mg, but the person who got me started has been on 15 mg weekly for over three months and is still losing. What convinced me was his latest blood work, the first normal results in decades. He had stalled on tirzepatide.

GreenMeadow54archiveMay 16
↳ replying to @LevelThistle44

The difference could be losing 10 percent of the weight from muscle versus 40 percent from muscle. Faster loss is almost always worse for keeping muscle. You might lose more total weight but end up with more fat and less muscle than if you had gone slower. High muscle loss with rapid weight loss is well documented. You can take steps to reduce it either way, but all else equal you lose more muscle going fast. I also do not see why you would plateau if you still had room to increase the dose. The idea of a fixed weight-loss window comes from the trial schedules.

RustSignal22archiveMay 16
↳ replying to @KeenKettle50 (opening post)

I just did 2 mg and want to increase soon, but anything 8 mg and up feels too high for me right now, though maybe not for long.

IronCompass90archiveMay 16

Started at 0.5 mg and worked up to 2 mg, where I have been for about six weeks. I do not feel the need to go higher. I am getting the results I want and hope that continues.

PlainAlder11archiveMay 16
↳ replying to @IronCompass90

That is 1.3 pounds. I still do not understand these low doses.

IronCompass90archiveMay 16
↳ replying to @PlainAlder11

I do not have much to lose overall, just some stubborn weight that would not budge. It feels like a steady, healthy pace for me.

KeenKettle50archiveMay 16
↳ replying to @IronCompass90

Like that stubborn pinch around the waist or belly?

IronCompass90archiveMay 16
↳ replying to @KeenKettle50

No, still some belly fat, but I was never massively overweight. BMI was always toward the higher end of normal.

QuietSignal61archiveMay 17
↳ replying to @LevelThistle44

I think we share a similar view on dosing. What is your take on staying at 4-6 mg until it stops working versus titrating every month? I started at 1 mg every three days and am now at 2 mg every three days, which is 4.66 mg per week. I increased by 2 mg after the first month and that felt right. I have been at 4.66 mg for nearly a month and it is still very effective; I am struggling to eat near maintenance even when I try. How did you titrate, and do you think it is better to wait until suppression eases or keep increasing every month? My instinct is to hold at 4.66 mg until it loses some effect. I think I will know when it is time.

QuietSignal61archiveMay 17
↳ replying to @KeenKettle50

I remember my dad after the divorce desperately trying to lose that last bit of fat. He was eating huge bowls of cabbage and sauerkraut, juicing vegetables we could barely afford, and doing endless ab work. It looked miserable. I am glad that fifteen years later we have better options.

PlainAlder11archiveMay 17
↳ replying to @QuietSignal61

I did 2-4 mg for four weeks, stayed on 6 mg for seven weeks until loss stopped the last week, went to 7 mg for two weeks and started losing again, and just moved to 8 mg. I will check results on Friday. I have had zero side effects for about two weeks now and must be used to it. No more heartburn at night when I lie down.

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