Subject: Compound Tirzepatide & Semaglutide Updates!
From: Dave Knapp from On The Pen <[email-masked]>
To: [email-masked]
Date: Tue, 17 Mar 2026 20:03:46 +0000
List-Id: <onthepen.substack.com>

View this post on the web at https://onthepen.substack.com/p/compound-tirzepatide-and-semaglutide

Happy Spring Break to many of you! While Dave and I are taking a short break from MFW LIVE this week, the news is anything but quiet. Major developments are unfolding, and you can catch up on everything in the latest OTP podcast, where Dave breaks it all down.
In today’s episode, Dave explores several important topics, including:
Massive compound shakeup
Why compound users need this
Sponsor, Shed obesity care
Breaking news changed everything
OTP semaglutide exclusive
DDC list explained
Novo’s lab findings
302% dose shocker
Catalent’s contamination mess
Lilly’s B12 tirzepatide bombshell
Is the molecule changing?
New oral GLP-1 contender
Do you trust compounded GLP-1s based on real-world experience, or do findings like the ones discussed today change your perspective?

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