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Unique received some very dark Tren A raws which resulted in a very dark end product colour for Tren A. Janoshik did some additional heavy metal testing on it:

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Has anyone had experience with retatrutide of this seller?

I've been using his Retatutride since May 2025. In between, I switched to Semaglutide for 4 weeks and then returned to Retatutride. So, it's been more than 6 months.

The doses varied: the lowest at the start - first week (1.25 mg), the highest for one week in between (6 mg), and on average somewhere around 2.75 - 3.5 mg per week. My goal wasn't exactly weight loss (since I’m in good shape most of the year and with a low body fat percentage), but rather managing and lowering my HbA1c, which was previously at the upper normal limit (5.9%... normally less than 6.0). In a few months, I lowered it to an excellent value of 4.6%.

As for appetite (especially when it comes to emotional over/eating), these GLP-1 medications might not be very helpful. If you don't have these issues and appetite control is the main concern, then Semaglutide would be better than Retatutride for that purpose. In combination with Bupropion, it may help reduce appetite and food cravings.

Overall, though, Retatutride is a great option.
 
My order arrived today. Well packed. It was posted promptly and I received tracking later the same day that I ordered. The order took longer than expected as it had been stuck in the sorting centre for longer than usual, which isn't a fault of Opti.

Very satisfied with the service and I will use again.
 
I've been using his Retatutride since May 2025. In between, I switched to Semaglutide for 4 weeks and then returned to Retatutride. So, it's been more than 6 months.

The doses varied: the lowest at the start - first week (1.25 mg), the highest for one week in between (6 mg), and on average somewhere around 2.75 - 3.5 mg per week. My goal wasn't exactly weight loss (since I’m in good shape most of the year and with a low body fat percentage), but rather managing and lowering my HbA1c, which was previously at the upper normal limit (5.9%... normally less than 6.0). In a few months, I lowered it to an excellent value of 4.6%.

As for appetite (especially when it comes to emotional over/eating), these GLP-1 medications might not be very helpful. If you don't have these issues and appetite control is the main concern, then Semaglutide would be better than Retatutride for that purpose. In combination with Bupropion, it may help reduce appetite and food cravings.

Overall, though, Retatutride is a great option.
Interesting. Reta no longer has any effect on my appetite no matter the dosage (been up to 20mg). Do you think you would get more appetite suppression if you added a small dose of semaglutide to reta? I don't understand what sema does that reta doesn't (if you take enough of it).
 
Interesting. Reta no longer has any effect on my appetite no matter the dosage (been up to 20mg). Do you think you would get more appetite suppression if you added a small dose of semaglutide to reta? I don't understand what sema does that reta doesn't (if you take enough of it).
Instead of combining another GLP you can switch over to tirzepatide since it has a stronger appetite supression effect or combine reta wifh cagrilintide
 
Interesting. Reta no longer has any effect on my appetite no matter the dosage (been up to 20mg). Do you think you would get more appetite suppression if you added a small dose of semaglutide to reta? I don't understand what sema does that reta doesn't (if you take enough of it).
20mg goddamn. How long have you been on reta?? Yes many get better suppression of sema or tirz
 
Interesting. Reta no longer has any effect on my appetite no matter the dosage (been up to 20mg). Do you think you would get more appetite suppression if you added a small dose of semaglutide to reta? I don't understand what sema does that reta doesn't (if you take enough of it).
I've never heard of anyone taking 20 mg of Reta When you started, did it affect your appetite? If it weren't OPTI, I'd say it was a fake, but that's a no-brainer.

I advise against continuing or taking 20 mg doses; you risk pancreatitis.
 
Interesting. Reta no longer has any effect on my appetite no matter the dosage (been up to 20mg). Do you think you would get more appetite suppression if you added a small dose of semaglutide to reta? I don't understand what sema does that reta doesn't (if you take enough of it).

First: the difference between RETA and SEMA isn't about "how much you take" but which receptors you stimulate and how your body responds to them ;)

RETA activates three receptors: GLP-1, GIP and glucagon receptor (GCGR).

This creates the strongest metabolic effect and the largest total weight loss, but not always the strongest appetite suppression. At higher doses, your system often adapts. The GIP + GCGR stimulation partially counterbalances the GLP-1 satiety signal, so you may no longer feel much appetite reduction, even at high doses.

SEMA, meanwhile is a pure, highly potent GLP-1 agonist with much stronger effects on: slowing gastric emptying, increasing meal-induced satiety + central appetite suppression in the hypothalamus.

RETA often does not slow gastric emptying as aggressively because GIP + GCGR modulate that effect.

High dose RETA -> minimal appetite suppression
Low dose Sema ->- massive appetite suppression

It's not about quantity. It's pharmacodynamics.

Based on my own experience and on more than 50 clients I've worked with in the past years on GLP-1/GIP/GCGR therapies, the pattern is very consistent:

RETAa = best for metabolic shift, fat loss and HbA1c reduction
SEMA = strongest for appetite suppression

Microdosing SEMA on top of RETA = the ideal solution once RETA stops suppressing appetite

If anyone wants deeper guidance on GLP-1/GIP/GCGR protocols, fat loss strategies, performance setups or blood work interpretation, feel free to reach out. I do it professionally ;)
 
Primo: la differenza tra RETA e SEMA non riguarda "quanto ne prendi", ma quali recettori stimoli e come il tuo corpo risponde ad essi;)

RETA attiva tre recettori: GLP-1, GIP e il recettore del glucagone (GCGR).

Questo crea l'effetto metabolico più forte e la maggiore perdita di peso totale, ma non sempre la più forte soppressione dell'appetito. A dosi più elevate, il sistema si adatta spesso. La stimolazione GIP + GCGR controbilancia parzialmente il segnale di sazietà GLP-1, quindi potresti non avvertire più una significativa riduzione dell'appetito, anche a dosi elevate.

SEMA, invece, è un agonista GLP-1 puro e molto potente con effetti molto più forti su: rallentamento dello svuotamento gastrico, aumento della sazietà indotta dal pasto + soppressione dell'appetito centrale nell'ipotalamo.

Spesso RETA non rallenta lo svuotamento gastrico in modo così aggressivo perché GIP + GCGR modulano tale effetto.

RETA ad alto dosaggio -> minima soppressione dell'appetito
Sema a basso dosaggio ->- massiccia soppressione dell'appetito

Non è una questione di quantità. È una questione di farmacodinamica.

In base alla mia esperienza personale e a quella di oltre 50 clienti con cui ho lavorato negli ultimi anni sulle terapie GLP-1/GIP/GCGR, il modello è molto coerente:

RETAa = ideale per il cambiamento metabolico, la perdita di grasso e la riduzione dell'HbA1c
SEMA = il più forte per la soppressione dell'appetito

Microdosaggio di SEMA in aggiunta a RETA = la soluzione ideale una volta che RETA smette di sopprimere l'appetito

Se qualcuno desidera una guida più approfondita sui protocolli GLP-1/GIP/GCGR, sulle strategie di perdita di grasso, sulle impostazioni di prestazione o sull'interpretazione delle analisi del sangue, non esiti a contattarmi. Lo faccio professionalmente. ;)
I've been using Reta for 5 weeks at 1 mg per week. My goal was to curb nighttime binge eating, but I'm having a hard time doing that. I chose Reta to get all the metabolic benefits, trying to build lean mass in a caloric surplus without accumulating too much fat and curb nighttime binges. During the day, I don't have much of an appetite and I don't feel any stomach rumbling, but in the evening after training, I eat constantly. I haven't slept well for years. I wake up every hour and start eating. After this, I fall asleep despite using melatonin and magnesium. I thought about increasing the dose to 2 mg, but I doubt it will improve things.
 
20mg goddamn. How long have you been on reta?? Yes many get better suppression of sema or tirz
Over a year
I've never heard of anyone taking 20 mg of Reta When you started, did it affect your appetite? If it weren't OPTI, I'd say it was a fake, but that's a no-brainer.

I advise against continuing or taking 20 mg doses; you risk pancreatitis.
Yes it worked well and I got the skin sensitivity side effect as well as appetite suppression. After a few weeks both weaned off until I upped the dosage again.

I'm not longer on 20mg. Lowered to 15mg. There's no difference. Just using it for the health benefits and glucose control now.

First: the difference between RETA and SEMA isn't about "how much you take" but which receptors you stimulate and how your body responds to them ;)

RETA activates three receptors: GLP-1, GIP and glucagon receptor (GCGR).

This creates the strongest metabolic effect and the largest total weight loss, but not always the strongest appetite suppression. At higher doses, your system often adapts. The GIP + GCGR stimulation partially counterbalances the GLP-1 satiety signal, so you may no longer feel much appetite reduction, even at high doses.

SEMA, meanwhile is a pure, highly potent GLP-1 agonist with much stronger effects on: slowing gastric emptying, increasing meal-induced satiety + central appetite suppression in the hypothalamus.

RETA often does not slow gastric emptying as aggressively because GIP + GCGR modulate that effect.

High dose RETA -> minimal appetite suppression
Low dose Sema ->- massive appetite suppression

It's not about quantity. It's pharmacodynamics.

Based on my own experience and on more than 50 clients I've worked with in the past years on GLP-1/GIP/GCGR therapies, the pattern is very consistent:

RETAa = best for metabolic shift, fat loss and HbA1c reduction
SEMA = strongest for appetite suppression

Microdosing SEMA on top of RETA = the ideal solution once RETA stops suppressing appetite

If anyone wants deeper guidance on GLP-1/GIP/GCGR protocols, fat loss strategies, performance setups or blood work interpretation, feel free to reach out. I do it professionally ;)
Interesting, I'll give it a try. I don't really need to lose weight and I never really did but these drugs make it easier to stay lean and avoid binging. I never experienced slower gastric emptying with reta.

So you essentially respond better to pure GLP1 compared to hitting all three receptors with reta even if the amount of GLP1 activation is the same. That makes sense. I figured I would get the same effect as microdosing semaglutide if I bumped the reta dosage up high enough.

Instead of combining another GLP you can switch over to tirzepatide since it has a stronger appetite supression effect or combine reta wifh cagrilintide
I don't think tirz has all the same health benefits
 
I've been using Reta for 5 weeks at 1 mg per week. My goal was to curb nighttime binge eating, but I'm having a hard time doing that. I chose Reta to get all the metabolic benefits, trying to build lean mass in a caloric surplus without accumulating too much fat and curb nighttime binges. During the day, I don't have much of an appetite and I don't feel any stomach rumbling, but in the evening after training, I eat constantly. I haven't slept well for years. I wake up every hour and start eating. After this, I fall asleep despite using melatonin and magnesium. I thought about increasing the dose to 2 mg, but I doubt it will improve things.
Your issue is not primarily a GLP-1 receptor problem. Its a combination of elevated evening cortisol, disrupted circadian rhythm, poor sleep architecture, and compulsive nighttime feeding behavior.
RETA reduces daytime appetite well, but people with: chronic insomnia, evening cortisol rebound, night-eating syndrome usually do not respond with appetite suppression in the evening, even at higher doses. Because this is not "hunger". It is a neurobiological soothing mechanism driven by dopamine + cortisol + low evening serotonin

What actually works:
Micro dose SEMA in the evening (0.125-0.25 mg twice weekly). Best for evening appetite suppression.
AND / OR
Bupropion: 75-150 mg. TOP "supplement" for compulsive nighttime eating
 
Over a year

Yes it worked well and I got the skin sensitivity side effect as well as appetite suppression. After a few weeks both weaned off until I upped the dosage again.

I'm not longer on 20mg. Lowered to 15mg. There's no difference. Just using it for the health benefits and glucose control now.


Interesting, I'll give it a try. I don't really need to lose weight and I never really did but these drugs make it easier to stay lean and avoid binging. I never experienced slower gastric emptying with reta.

So you essentially respond better to pure GLP1 compared to hitting all three receptors with reta even if the amount of GLP1 activation is the same. That makes sense. I figured I would get the same effect as microdosing semaglutide if I bumped the reta dosage up high enough.


I don't think tirz has all the same health benefits

Exactly. The key is not the overall amount of GLP-1 activation but which receptor dominates your appetite pathway.

SEMA has: pure GLP-1 activation, very high receptor affinity, the strongest gastric-emptying delay and a direct effect on the NTS satiety center.

TIRZEe and RETA activate multiple receptors (GIP, GCGR), which makes them metabolically stronger but weaker for hard appetite suppression because: they slow gastric emptying far less, satiety signaling is smoother, GLP-1 action gets “diluted” by the other pathways.
That's why microdosing SEMA can outperform raising Reta to very high doses...
 
Over a year

Yes it worked well and I got the skin sensitivity side effect as well as appetite suppression. After a few weeks both weaned off until I upped the dosage again.

I'm not longer on 20mg. Lowered to 15mg. There's no difference. Just using it for the health benefits and glucose control now.


Interesting, I'll give it a try. I don't really need to lose weight and I never really did but these drugs make it easier to stay lean and avoid binging. I never experienced slower gastric emptying with reta.

So you essentially respond better to pure GLP1 compared to hitting all three receptors with reta even if the amount of GLP1 activation is the same. That makes sense. I figured I would get the same effect as microdosing semaglutide if I bumped the reta dosage up high enough.


I don't think tirz has all the same health benefits

What you’re describing, at nearly twice the max dose used in trials, suggests either something’s wrong with your batch, or if it’s different batches, immunogenicity has developed and your immune system is quickly neutralizing the Reta protein.

It very much sounds like the latter.

Cross immunogenicity isn’t common, so you might get a “fresh start” with Tirz.

The Sema 7.2mg trials demonstrated there really aren’t “non-responders” (at least on the GLP receptor) if the dose is high enough. At 20mg Reta, feeling nothing, that’s strongly suggestive you’re immune to Reta now.
 

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