For more information on tirzepatide or GLP-1 medications, check out Zappy Health on GLP-1 treatment options .
Less Common Side Effects : Numbness, hardness of the treated areas, or rare complications such as infection or allergic reactions
Lancet Public Health (2017) 2(6):e27785
Phase 3 TRIUMPH-4 Results: The Latest Data (December 2025) The first Phase 3 results for Retatrutide came from the TRIUMPH-4 trial, announced by Eli Lilly on December 11, 2025
At Second Nature, weve been trusted by the NHS since 2017 to support people with type 2 diabetes and obesity to lose weight, manage their blood sugar levels, and lead healthier lifestyles for the long term
While individual experiences differ, a few consistent themes emerge across the discussions:* Side effects are common - but often manageable: Digestive issues like nausea, bloating, sulphur burps and constipation are frequently mentioned