GLP-1 Maintenance Dose: How I Found Mine on Retatrutide

What a maintenance dose actually is

Almost everything written about GLP-1s is about losing. The dose charts, the titration schedules, the before and afters. Nobody really prepares you for the part that comes after you hit your goal, which is the part I am living now: maintenance.

A maintenance dose is just the ongoing dose you settle on once you are done losing. Its whole job is different from the dose that got you there. You are not trying to keep the scale moving down anymore, you are trying to hold it steady and keep your appetite and your food noise quiet, without still driving loss you do not want. Sometimes that is the same dose you lost weight on, sometimes it is lower. The game of maintenance is finding the smallest dose that still keeps things calm, and it is more of a moving target than I expected.

Finding my retatrutide maintenance dose

For context, I lost around 100 pounds on retatrutide. The full story with the month by month numbers and photos is in my retatrutide before and after post, and the dose ramp I used to get there is in my dosing protocol post. This post picks up where those leave off.

Here is the thing that makes retatrutide maintenance harder than the approved drugs: there is no label to look at. Retatrutide is still investigational and not FDA approved as of 2026, so unlike Wegovy or Zepbound there is no official maintenance dose printed anywhere. You are feeling it out yourself. My peak was heavier injections a couple of times a week, and for maintenance I moved to once a week, which is where most people I have talked to land too.

My instinct was to get as low as I possibly could. Less drug, fewer side effects, less cost, and it felt like the responsible thing to do once the weight was off. So I titrated down to 1mg a week. And that is where I learned my most useful lesson.

The 4-week rule I learned the hard way

The mistake I almost made was judging a dose too fast. These drugs do not turn on and off like a switch. They build up in your system slowly and they wash out slowly, so a change you make today does not fully show up for about four weeks.

When I dropped down to 1mg, the first couple of weeks felt totally fine. Appetite still quiet, control still there. I almost called it: great, 1mg is my maintenance dose, I barely need anything. But it had not actually settled yet. What I was feeling in those first two weeks was the tail end of the higher dose still clearing my system, not the reality of 1mg.

So the rule I would give my past self, and the honest takeaway from all of this: give any dose change at least four weeks before you decide whether it is working, whether you are titrating up or down. That is roughly how long it takes to build up or clear out enough to know the truth. Anything you feel in the first week or two is partly the old dose talking. This is my own read on it from living through it, not medical advice, and the right timing for you is a conversation with your provider.

When I went too low: the food noise came back

Right around that four to six week mark on 1mg, the floor fell out. The appetite suppression faded and the food noise came back, hard. If you have been on a GLP-1 you know exactly what I mean by food noise: it is the constant background chatter about food, the snack you are already thinking about before you have finished the meal in front of you. The medication had quieted that for over a year, and at 1mg it came roaring back.

And it was not just noise. I had little control. I found myself grazing again, reaching for things without really deciding to, the exact pattern that put the weight on in the first place. That was the signal, clear as anything: 1mg was too low for me to maintain on. Not too low as some universal rule, just too low for my body.

Where I landed

So I titrated back up. Not all the way to my losing dose, but up to 4mg a week. As of writing this I have been on 4mg for about five weeks, which by my own four-week rule is finally long enough to actually know, and it has been my sweet spot. I can eat normally, I can enjoy food and go out to dinner, but I have my control back. The food noise is quiet again. It is the balance I was looking for the whole time: enough to hold, not so much that I am white knuckling side effects for no reason.

I want to be really clear about one thing, because it matters more than any number in this post: 4mg is my number, not a target for you. Your sweet spot could be a fraction of that or more, because appetite, body size, how you respond, and which drug you are on all change the math. Retatrutide has no established maintenance dose at all, and I am one person sharing what happened to me, not writing a protocol. Please do not read "4mg" and aim at it. Read the shape of the story instead: go slow, give it time, and let your appetite tell you the truth.

Maintenance dosing for the approved GLP-1s

Unlike retatrutide, the approved GLP-1s actually have maintenance doses written on the label, which takes a lot of the guesswork out. If you are on one of these, your maintenance dose is not something you invent, it is a defined target your prescriber titrates you toward. As of 2026, here is where those land:

The pattern across all of them is the same: titrate up slowly over weeks, then hold at whichever maintenance dose keeps your appetite controlled with side effects you can live with. Notice that Zepbound and Mounjaro give three maintenance options (5, 10, or 15mg) on purpose, which builds in exactly the flexibility I was fumbling toward by hand. A question I see constantly is whether to step down to a lower maintenance dose after reaching goal weight. Some people do, some hold at their losing dose, and the label ranges leave room for both, but that call is your prescriber's, made from how you are actually doing, not from a chart. These numbers are current as of 2026 and the labels do get updated, so confirm against the current prescribing information.

Can you lower your dose without regaining?

This is the real question underneath all of it, and my honest answer is: it depends, and your appetite will tell you. Some people genuinely maintain on a lower dose and feel great. Some, like me at 1mg, find that going too low quietly reopens the door the medication was holding shut, and the food noise and the weight start creeping back.

There is no universal answer because there is a lot going on underneath, including where your body wants to sit. I wrote more about that pull in my set point post. The clean test for whether a lower dose is actually holding is simple: drop it, wait the full four weeks for it to settle, and watch honestly. If your appetite and weight stay stable, it is holding. If the food noise creeps back, it is not, and that is real information, not a failure. This is also the difference between lowering your dose and coming off entirely, which is a bigger decision I covered in what happens when you stop a GLP-1.

How I keep track of my dose

The only reason I could see any of this clearly is that I was tracking it. When you change a dose and then wait four weeks to judge it, four weeks is a long time to hold "how did I feel three Tuesdays ago" in your head. It is not possible, honestly, memory does not work that way with something this gradual.

I log every dose in WeightSnap, and it lines my dose changes up against my weight and how I am feeling over time. So when I dropped to 1mg, I could actually watch the appetite drift and the weight tick start on the same timeline as the dose change, instead of vaguely sensing something was off. And when I went back to 4mg, I could watch it settle. That is the whole point of tracking a maintenance dose: the drift is slow enough to miss for weeks unless you can see it laid out. If you want a rough sense of where trial-average weight loss tends to land by drug and dose, the GLP-1 weight loss calculator is a decent starting point too.

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