Safety
Every post on safety, newest first.
Posts
Studies5 min read
Tirzepatide users stay on treatment longer than semaglutide users
Three real-world studies looked at [tirzepatide](/peptides/tirzepatide) in routine care. They found higher adherence than semaglutide, Zepbound had the most super responders, and lithium monitoring matters.
Studies6 min read
Retatrutide not detected in urine, reports show weight loss and DKA
A urine test designed for anti-doping could not find retatrutide in four people. Separate case reports describe a 58.8% weight loss in Prader-Willi syndrome and diabetic ketoacidosis in type 1 diabetes.
Studies5 min read
A case report ties sermorelin and GH use to a neck bone spur
A 2026 case report describes a 62-year-old man who had trouble swallowing because of a bony spike in his neck after about 20 years of growth hormone and sermorelin use. The report adds a clinical note to an evidence base that focuses mostly on hormone levels, not bone structure.
Compound pages
The evergreen research summaries these posts build on.