nausea after tirzepatide injection Managing From Semaglutide & Tirzepatide: Expert Tips How to Combat Nausea on

Weight Loss Timeline: What Research Shows Clinical trials consistently show that meaningful weight losstypically 37 poundsemerges between weeks 4 and 8 of tirzepatide therapy

Liddelow SA, et al

Published by Eli Lilly in December 2025, the results showed: Average weight loss of 28.7% at the 12mg dose over 68 weeks comparable to TRIUMPH-1 at the same dose Significant reductions in WOMAC pain scores a validated measure of knee pain and function More than 1 in 8 patients on retatrutide were completely free of knee pain by the end of the trial compared with less than 1 in 25 on placebo Significant improvements in physical function, stair climbing, and walking distance This matters clinically because knee osteoarthritis and obesity are deeply intertwined each kilogram of body weight lost reduces knee joint load by approximately 4 kilograms during walking

PloS ONE 8 , e78190 (2013)

But its not a total plateau -satiety scores for patients taking 15mg continued to improve for up to 25 weeks