Tirzepatide and muscle preservation — DEXA evidence vs semaglutide

Moderator note: This thread has been getting great engagement. Please remember to cite sources when making clinical claims.

No issues to report — carry on. 👍

As a pharmacist, I want to add some clinical context to this discussion on Tirzepatide and muscle preservation .

Building on what MikeFit_NJ said — the evidence base here is robust. The key publications to reference are from the SUSTAIN program[1].

Key clinical points:

1. Efficacy is dose-dependent and typically requires 4-5 weeks to reach steady state
2. Side effect profile is predictable and usually manageable with standard protocols
3. Monitoring should include baseline labs and follow-up at 3-month intervals
4. Patient education significantly improves outcomes and adherence

Standard disclaimer: this is educational, not individualized medical advice.

mike_mod said:

Please remember to cite sources when making clinical claims

Gonna push back on this one. Tirzepatide and muscle preservation is not that straightforward in my experience. I have been on this for 12 months and the reality is messier than the trials suggest.

Don't get me wrong — the medication works. But cost accessibility is a real barrier. We should be honest about that.

Want to share my personal experience related to Tirzepatide and muscle since I think it might help others in a similar situation.

I started my GLP-1 journey in October 2024 at 264 lbs with prediabetes and hypertension. My endocrinologist prescribed semaglutide 0.25mg to start.

Now, 16 months later: I am down 89 lbs, my labs have normalized, and I am off 2 of my 3 medications. The Tirzepatide and aspect specifically was something that made a big difference in my journey.

This community helped me every step of the way.

Saving this for reference. Top-tier content.