is retatrutide good for weight loss loss: how it works & availability GLP-3 (RT) Retatrutide | Advanced

Disclosure: Im a paid contributor to NutritionNC.com and was not compensated by LifeRx for this review

Several large-scale human studies, including SUSTAIN-6 for semaglutide and LEADER for liraglutide, have found no significant increase in the risk of MTC or other thyroid cancers compared to placebo groups

You may experience mild keto adaptation symptoms, but they should be less severe than typical keto flu because GLP-1 is already managing appetite and blood sugar fluctuations

In September 2025, researchers at UCLA published a study in ACR Open Rheumatology (Kellner and colleagues)

[DOI] [PMC free article] [PubMed] [Google Scholar] 95.Singh H, Natt NK, Nim DK

doi: 10.1523/JNEUROSCI.3579-15.2016