CommunityStacking & Switching

Considering stacking sema with reta

41 replies17 peopleNov 19, 2025☆ Follow
Summary

Is it effective to combine low-dose semaglutide with retatrutide for stronger appetite control and other benefits while avoiding high doses and side effects?

Forum users describe positive results from adding small amounts of sema to moderate reta doses, noting improved satiety and reduced overeating that reta alone did not fully address. Several maintain regimens such as 0.25-1 mg sema paired with 2-8 mg reta weekly, reporting steady loss and fewer issues like insomnia or nausea when doses stay low. Some value the extra GLP-1 activity from sema to complement reta's GIP and glucagon effects. Experiences differ on preferred add-ons and exact dosing, but most emphasize starting very low and titrating slowly.

What this discussion establishesWhere people disagree

A few prefer cagri or tirz over sema as the add-on, while others find sema works well enough and is easier to obtain.

Still open

Optimal long-term maintenance doses and whether the combo remains superior to single agents once weight stabilizes are not settled.

Nothing here is advice.

41 replies · 17 people
SteadyFenwick46archiveopening postNov 19, 2025

Would it make sense to combine both sema and reta at modest doses of each to get the GIP and glucagon effects from reta plus the appetite control from sema? I'm on 8 mg reta now and wondered about adding 0.25 mg sema or a similar small amount along with 2-4 mg reta. Hunger is still strong on higher reta and I keep overeating. I want that full feeling that makes food less appealing. Meal plans used to be simple even early on reta, but lately I eat past my deficit. Sleep is also poor, possibly from higher resting heart rate and glucagon. Tirz affected sleep too. Higher reta doses get expensive over time and I already have an ozempic prescription.

GreenSignal85archiveNov 19, 2025

I would not combine glps because I do not know enough about the approach. If faster loss and stronger appetite control are the goals, adding cagri to reta might be worth trying instead. Even a small amount can be quite effective.

WarmQuill37archiveNov 19, 2025
↳ replying to @SteadyFenwick46 (opening post)

That is the approach I have been using. I shared details about my experience and dosing schedule in another thread. Looking back, my first reta dose was probably 0.5 mg and then 1 mg the next week. Food noise stayed low from the start and the two compounds seem to work well together. You may not need as much as you are thinking and could lower the reta amount noticeably.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @GreenSignal85

I wish that worked for me. I already mentioned cagri in my original post.

SlowHarbour85archiveNov 19, 2025
↳ replying to @SteadyFenwick46 (opening post)

Until recently I had been using 0.2 mg sema and 0.7 mg reta each week without breaks. I chose reta for the neuroprotective data and added sema because reta does not supply much GLP activity on its own. Going above 0.5 mg sema per week leaves me weak, nauseated, and dealing with bad burps. Adding reta let me keep sema lower. If I could only pick one it would be reta because of how it hits the three receptors. There is no need to stop sema though since it supplies the GLP piece and keeps reta modest. Combining them is fairly common among people focused on longevity or body composition.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @SlowHarbour85

Really, those doses are quite small. I would like to stay low as well. How long have you been running both compounds together?

SlowHarbour85archiveNov 19, 2025
↳ replying to @SteadyFenwick46

I began sema at the start of August and added reta by the end of that month. I increased too quickly at first and got quite ill, so I slowed down. After the holiday I plan to restart at the same sema dose and maybe 0.3 mg reta. I need to regain a few pounds first. Even after being off for a while I still get full after just a few ounces, which I hope changes enough to enjoy the holiday meal.

LevelLedger30archiveNov 19, 2025
↳ replying to @SlowHarbour85

Some ghrp6 would probably make you want the whole turkey.

GreenSignal85archiveNov 19, 2025
↳ replying to @SteadyFenwick46

Sorry, I missed that part of your post. Cagri left you very tired. Sema can cause similar fatigue for some people. My mom says it makes her foggy and she sleeps a lot. It might still be worth testing since responses differ. Tesa is another option some have found helpful for the last 10-15 pounds along with appetite effects.

AmberMarble84archiveNov 19, 2025

You could test the idea. If cagri or tirz are not options then sema is a reasonable choice when you need more GLP-1 activity, and it tends to be inexpensive.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @LevelLedger30

I am already on tesa and have noticed slightly more visible abs at 12 percent body fat, though it actually increased my hunger. Thanks for the other ideas anyway.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @AmberMarble84

I am going to give it a try. I took 7 mg reta yesterday and will add 0.25 mg sema partway through the week, then lower the next reta dose to 3-4 mg based on how things go.

PlainWillow35archiveNov 19, 2025

I am currently using 8 mg reta early in the week and 1 mg sema before the weekend. I respond slowly, started sema in February, then began reta in July while lowering sema over four-week steps. This seems to be a good balance with about three-quarters of a pound lost weekly and minimal sides. I will keep going until progress stops, then either switch sema to cagri or raise reta.

KeenPebble77archiveNov 19, 2025
↳ replying to @SlowHarbour85

Just to check my understanding, are those doses for maintenance now? I have seen others using low amounts once the main loss phase is over because of the other effects reta offers, whereas I am still on 6 mg weekly for active weight loss help.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @PlainWillow35

How did the first 0.25 mg sema dose feel when you added it?

ClearHarbour45archiveNov 19, 2025

I always combine them. I treat sema almost like a base compound and am currently on 8 mg reta with 1.5 mg sema.

KeenPebble77archiveNov 19, 2025
↳ replying to @ClearHarbour45

So sema is the test and reta is the dbol? I like the analogy. I guess MOTS-c would be anavar from now on.

SlowHarbour85archiveNov 19, 2025
↳ replying to @KeenPebble77

No, those are not maintenance doses. I began at 0.25 mg of each back in August when my BMI was already 20-21. I was trying not to lose more weight but wanted the other reported benefits such as neuroprotection and lower inflammation. Many in the weight-loss groups push back against anyone who wants to lower or microdose, claiming it will cause regain, but I have been off for weeks without the problems they warned about. I think the split comes down to whether people view these compounds as tools for broader health or mainly as weight-loss drugs.

KeenPebble77archiveNov 19, 2025
↳ replying to @ClearHarbour45

I will check back if I start coughing.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @ClearHarbour45

That is an interesting way to look at it. Thanks for sharing. I would not mind whatever the GLP version of tren is.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @ClearHarbour45

Tren e caused me terrible insomnia, and reta did the same. The comparison might be accurate.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @SlowHarbour85

I agree. I want to keep reta low year-round for the same reasons you mentioned. Does anyone have tips for adding sema for the first time? I plan to start it in the next few days and want to avoid bad nausea from even 0.25 mg.

SlowHarbour85archiveNov 19, 2025
↳ replying to @SteadyFenwick46

The main advice is to begin low and increase very slowly. If it does not seem strong enough, raise by the smallest amount and wait several days. Responses differ, but going too high at once can make you miserable. If 0.25 mg weekly works, stay there until more is needed, then split into smaller doses every few days. I once tried to jump straight to 2-3 mg weekly and regretted it.

ClearHarbour45archiveNov 19, 2025
↳ replying to @SteadyFenwick46

I enjoy tren but at mid-50s it is too much now. For your sema I would probably start at 0.5 mg, though even with training three times a week after a test-tren-mast cycle I am still around 25 percent body fat, so lower doses make sense for someone already lean. You will likely end up at 0.5 mg anyway even with the reta on board.

SteadyFenwick46archiveNov 19, 2025
↳ replying to @ClearHarbour45

Thanks for the perspective. I will see how 0.25 mg goes but hope to stay at or below 0.5 mg. I am currently on 250 mg trt after an EQ cycle and am in my mid-20s so still enjoying the process.

QuietLedger54archiveMar 10
↳ replying to @SteadyFenwick46

Any updates on how the stack went? I am interested in the dosing you ended up using and the results.

KeenFenwick47archiveMar 10

Another person interested in hearing how it turned out.

LevelMarble56archiveMar 19

I started with 0.25 mg sema weekly and liked the appetite and satiety effects, so when I tried reta I kept the sema. Right now I use 2.5 mg reta on Monday and 0.5 mg sema on Thursday. Appetite stays controlled and weight continues to drop at 3-4 pounds per week.

PatientBeacon23archiveMar 24
↳ replying to @LevelMarble56

I am on almost the same schedule, using 0.5 mg sema only when appetite needs extra help, usually every 10 days or so, along with 2 mg reta once weekly. Loss is about a pound a week, which is faster than I want at this stage, so I may lower the sema a bit. I prefer to keep enjoying food rather than drop the reta.

LevelMarble56archiveMar 25

I assume you do not have much left to lose, which explains wanting to slow down or remove the sema.

KeenAlder60archiveMar 25
↳ replying to @SteadyFenwick46 (opening post)

I have stacked reta with tirz. Sema never moved the scale for me even though appetite dropped. That was with compounded product, so they switched me to tirz after eight weeks. I stayed on tirz a long time but the fatigue, severe constipation, and altered taste of food became too much, so I moved to reta. Progress was slower and then stalled. I also tried a tirz plus servodutide mix but kept the servo only for later maintenance. Currently I am on 5 mg tirz with 5 mg reta and was losing better without the tirz sides. After another stall I added a microdose of setmelanotide. Sleep problems were mainly from tirz making me exhausted. Set gives energy instead. Many people do combine glps for different reasons, so testing it is reasonable.

LevelBramble55archiveApr 11
↳ replying to @WarmQuill37

I am also on a 2.4 mg wegovy prescription and want to add reta. Should I begin with 0.25 mg or 0.5 mg reta? How did you tolerate the first doses and did you feel sick or nauseated?

LevelBramble55archiveApr 11

Is anyone running 2.4 mg sema with 0.25 or 0.5 mg reta? I want to start the stack on Monday while I still have the wegovy covered by insurance.

WarmQuill37archiveApr 11
↳ replying to @LevelBramble55

Everyone reacts differently, but the most noticeable side effect I had with reta was skin sensitivity that felt like a mild sunburn, more of an ongoing irritation than real pain. It did not appear in the first month, lasted a few months, then disappeared. You could probably begin with the 0.5 mg dose without major issues.

LevelBramble55archiveApr 11
↳ replying to @WarmQuill37

Thanks. Did you notice any heart-rate increase or sleep changes on reta? Any stomach upset from the combination at the start? How has the weight loss been and are you still dropping?

WarmQuill37archiveApr 12
↳ replying to @LevelBramble55

No clear heart-rate or digestion changes. I have lost around 70 pounds total but the scale has been flat for the last few months. Pants are still getting looser so I may still be losing fat. I am not concerned yet and expect to be more active once the weather improves.

LevelBramble55archiveApr 12
↳ replying to @WarmQuill37

Congratulations on the progress. Thanks for sharing the details and please keep updating us on how things go.

SteadyTimber38archiveJun 16

I have used sema, tirz, reta, cagri with tirz, and cagri with reta. I am starting to think reta plus sema, possibly with a little cagri, could be the right mix for me. Reta alone still lets me overeat and choose the wrong foods. I was doing 0.5 mg cagri on Saturday and 5 mg reta on Wednesday. I may raise reta to 6 mg, add 0.25-0.5 mg sema, and see how it feels. I might not even need the cagri, but if I do I would start at 0.25 or 0.375 mg.

LevelThistle44archiveJun 16
↳ replying to @SteadyTimber38

I added 0.25 mg sema on Thursday while already on a fairly high reta dose. I had planned to take another 0.25 mg later that week but realized 0.125 mg would have been smarter for the first try. Reta and tirz never left me with a lingering bad feeling, but sema has been rough, especially yesterday afternoon. It was enough that I skipped my usual reta dose last night until I feel better. You can always add more later, but once you pin too much you have to wait it out.

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