Hair shedding on GLP-1s
People several months into semaglutide or tirzepatide describing diffuse hair shedding, and arguing over whether the drug or the speed of weight loss is behind it. Nothing in these threads settles that question.
What the index says
| Peptide in this conversation | Studies | Evidence check | Source in our index |
|---|---|---|---|
| Semaglutide | 57 | Grade A · Human clinical | GLP-1 Agonist | Type 2 Diabetes and Obesity |
| Tirzepatide | 25 | Grade B · Human evidence | GIP & GLP-1 Agonist | Type 2 Diabetes Management |
We do not extract claims from posts, so there is no claim-by-claim verdict here. What we can set beside the conversation is the evidence already filed for the peptides it is about — which is graded by the same rules as everywhere else on the site.
Posts, rolled up Anecdotal
Counted from public posts by keyword, not collected as a survey and not read for meaning. No denominator, heavy survivorship bias, and no way to confirm anyone was taking what they say they were.
Representative posts
Titles are quoted as posted and matched by keyword, never rewritten. Authors are not named; each row opens the original thread on Reddit.