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ForumsRetatrutide & Triple AgonistsExpected approval timeline for retatrutide — my results so far Page 2

Expected approval timeline for retatrutide — my results so far

MariaRD Fri, Nov 28, 2025 at 10:30 AM 34 replies 955 viewsPage 2 of 7
Dr.PulmRoch
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Nov 28, 2025 at 1:20 PM#6

I've seen people on Reddit saying they've already used retatrutide from research chemical companies. Is that the same drug? Should I try to get it now instead of waiting?

33 2rachel_ABQ, traveltech_sara, AttorneyGrant and 30 others
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Admin
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Nov 28, 2025 at 1:37 PM#7

I need to address this directly. Research chemical / peptide vendor "retatrutide" is NOT the same as pharmaceutical-grade retatrutide from Eli Lilly's clinical trials. Key differences:

  • Purity: Pharmaceutical grade is ≥99% pure with rigorous quality control. Research peptides vary wildly in purity and may contain degradation products or contaminants.
  • Identity: Without independent analytical testing, you have no guarantee the product is actually retatrutide (or that the dose is accurate).
  • Medical oversight: Clinical trial participants have regular monitoring, bloodwork, and medical supervision. Self-administering a research chemical does not.
  • Legal status: Retatrutide is an investigational drug. Selling it for human consumption outside of a clinical trial is illegal in most jurisdictions.

We do not allow discussion of sourcing or using research chemicals on this forum. This is for your safety. Please be patient and wait for the approved product under medical supervision.

31 24SleepDoc_PDX, RegAffairsDC, BiostatsBrad and 28 others
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Dr.SleepRoch
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Nov 28, 2025 at 1:54 PM#8

I want to add a broader perspective here. The timeline frustration is understandable, but it's worth remembering how fast this field is actually moving. Consider:

  • 2014: Saxenda (liraglutide 3.0mg) approved — ~8% weight loss, daily injection
  • 2021: Wegovy (semaglutide 2.4mg) approved — ~15% weight loss, weekly injection
  • 2023: Zepbound (tirzepatide) approved — ~22% weight loss, weekly injection
  • 2027?: Retatrutide — ~24% weight loss, weekly injection

In 13 years, we went from 8% to 24% weight loss. That's a tripling of efficacy in barely over a decade. In pharmaceutical terms, that's warp speed. The drug you're on right now (tirzepatide) was inconceivable 10 years ago.

Yes, waiting is hard. But you're not waiting with nothing — you're on an already-excellent medication. When retatrutide arrives, it'll be there for you.

3 14Dr.NephBHM_UK, kim_atl_prep, sarah_TO
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DebRD_ATL
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Nov 28, 2025 at 2:11 PM#9

That's actually a really helpful perspective. You're right that tirzepatide is already amazing compared to what was available even 5 years ago. I'll keep doing what I'm doing and look forward to the next generation when it arrives.

Thanks everyone for the detailed responses. This community is great for cutting through the hype and giving realistic expectations. 🙌

Last edited: Nov 28, 2025 at 6:11 PM
8 17PedsEndoPhilly, SleepDoc_PDX, RegAffairsDC and 5 others
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