#For patients
Written for adults considering a peptide as part of their health management.
Why GLP-1 prescriptions go unfilled
About 40% of GLP-1 orders are never dispensed. Here is what the fill-rate evidence on semaglutide and tirzepatide shows, and what it cannot show.
GLP-1 drugs, PCOS, and trying to conceive
GLP-1 medicines such as semaglutide are not approved to treat PCOS, and current labels require stopping the drug before a planned pregnancy.
Tirzepatide at 6 months: who stays on it
A US claims study of 22,512 tirzepatide starters found 68% still on the drug at six months. Here is what that number does and does not tell you.
Can peptides fix a slow metabolism?
A reader on r/peptides asked if peptides could fix years of unexplained weight gain. Here is what GLP-1 drugs actually do, and what to test first.
Can GLP-1 Drugs Help Ulcerative Colitis?
A matched cohort study links semaglutide and liraglutide use to higher ulcerative colitis remission, though neither drug is approved for IBD.
Old retatrutide pen: still safe to use?
Retatrutide is investigational, and even FDA-approved GLP-1 pens must be discarded weeks after first use, not months later.
Combining Tesamorelin, Ipamorelin and TRT
A reddit user's heart rate spiked to 151 bpm after combining tesamorelin, ipamorelin and TRT. Here is what the evidence on each actually shows.
Tirzepatide and a rare skin rash: one case
A 2026 case report describes a chest rash clearing during tirzepatide-associated weight loss. Here is what one patient shows, and does not.
Tirzepatide and Prader-Willi diabetes
A 2026 case report describes tirzepatide easing treatment-resistant diabetes in an adult with Prader-Willi syndrome. Here is what one patient shows.
Why the 'Wolverine Stack' Didn't Work
BPC-157 and TB-500, the 'wolverine stack,' carry risks from unverified sourcing and peer-relayed dosing on top of thin human evidence.
GLP-1 drugs and erectile dysfunction
A new meta-analysis links GLP-1 drugs like semaglutide and tirzepatide to modest erectile-function gains, though other research disagrees.
GLP-1 Drugs and Psoriasis Healthcare Use
A new JEADV letter examines whether GLP-1 and GLP-1/GIP drugs like tirzepatide and semaglutide change healthcare use in psoriasis patients.