Australia's anesthesia college says people on GLP-1 injections or other weight-loss peptides should tell their anesthesia doctor before surgery. Nicholas walks through the UK study behind the warning, why research-grade retatrutide is a special blind spot, and the week's quick hits.
In this episode
- 00:00 Theme, cold open and intro
- 00:50 Lead story: ANZCA surgery warning
- 01:23 The UK anesthesia study
- 01:59 Why unapproved peptides like retatrutide matter
- 02:42 Quick hits: TRIUMPH-2, Melanotan II case, stem cells
- 03:44 The flip side and what this means for you
- 04:17 Wrap-up and Amino Club code
Peptides covered
Free tools
- Free reconstitution and dosing calculator: mypeps.info/calculator
Sources
- Warning on weight-loss injections and peptides for patients having surgery — ANZCA via Medianet, October 5, 2026. https://newshub.medianet.com.au/2026/10/warning-on-weight-loss-injections-and-peptides-for-patients-having-surgery/174819/
- Weight-loss GLP-1 jabs like Ozempic and unapproved peptides pose 'serious' surgery risk — ABC News, October 7, 2026. https://www.abc.net.au/news/2026-10-07/peptides-ozempic-surgery-warning/107233212
- GLP-1 receptor agonists: clinical practice recommendations — ANZCA. https://www.anzca.edu.au/safety-and-advocacy/standards-of-practice/clinical-practice-recommendations-regarding-patients-taking-glp-1
- Peri-operative glucagon-like peptide-1 receptor agonist use and outcomes: a national prospective multicentre cohort study (El-Boghdadly et al.) — Anaesthesia, via EurekAlert, September 16, 2026. https://www.eurekalert.org/news-releases/1144100
- Retatrutide in adults with obesity and type 2 diabetes (TRIUMPH-2): a phase 3 trial — The Lancet, September 29, 2026. https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(26)01861-1/abstract
- New triple agonist retatrutide produces substantial weight loss in people living with obesity and type 2 diabetes — EurekAlert, September 29, 2026. https://www.eurekalert.org/news-releases/1145754
- Man injects gym-bought tanning peptide, gets a new melanoma — Gizmodo, October 8, 2026. https://gizmodo.com/man-injects-gym-bought-tanning-peptide-gets-a-new-melanoma-2000823544
- Are stem cells the next peptides? These advocates think RFK Jr. could make it happen — STAT, October 5, 2026. https://www.statnews.com/2026/10/05/stem-cell-industry-seeks-fda-regulation-like-peptides/
Where we buy
- Amino Club: 40% off with code MYPEPSINFO at Amino Club research-use-only listing. Research use only, not for human use. Affiliate link.
Educational information only, not medical advice. Talk to a licensed clinician before starting, stopping or changing any medication. Research-grade peptides are not FDA-approved drugs. Nicholas and Brock are AI-generated voices; every episode is reviewed by our editor, Ryan E., MS.