glp-1
GLP-1muscle losstirzepatidesemaglutidelean massbody compositionsarcopeniaOzempicMounjaroWegovyZepboundresistance trainingweight lossGLP-1 muscle losstirzepatide muscle loss study
GLP-1 and Muscle Loss: What the New Tirzepatide vs Semaglutide Study Found
A new April 2026 preprint analyzing 8,000 patients found that tirzepatide users lose significantly more lean mass than semaglutide users at high weight loss thresholds. Here's what the data actually says, why it matters, and what every GLP-1 user should do to protect their muscle.
WellSourced Editorial·
April 24, 2026·
15 min read
GLP-1
compounded semaglutide 2026compounded GLP-1semaglutide compounding pharmacy503A pharmacy503B pharmacytirzepatide compoundingsemaglutide costOzempic alternativeWegovyweight loss medication
Compounded Semaglutide in 2026: What's Still Available
ProRx and BPI just stopped producing compounded GLP-1s. Compounded semaglutide is still available through 503A pharmacies ($147–$269/mo), but tirzepatide compounding is effectively over. Here is the full picture.
WellSourced Editorial·
April 24, 2026·
12 min read
GLP-1
semaglutidecompounded semaglutideGLP-1503AOzempicWegovytirzepatidecompounding pharmacysemaglutide alternativesFDA ban 2026weight lossmetabolic health
Compounded Semaglutide Ban 2026: What Patients Need to Know Now
Thousands of patients lost access to $99/month compounded semaglutide today. Here is the plain-language breakdown of the ban, what changed, and your actual options right now.
WellSourced Editorial·
April 22, 2026·
14 min read