It appears to activate the ghrelin receptors (GHSR) which appear to trigger growth hormone synthesis
Pekala J, Patkowska-Sokola B, Bodkowski R, Jamroz D, Nowakowski P, Lochynski S, Librowski T (2011) L-carnitine-metabolic functions and meaning in humans life
Additionally, with obesity being a significant risk factor for sleep apnea, the weight loss facilitated by Tirzepatide may contribute to improved sleep and a reduction in fatigue associated with this condition
Free fatty acids from either adipose tissue (fat), or from the conversion of excess carbohydrate intake, accumulate in the liver cell resulting in oxidative stress, inflammation, and liver injury
Acetylcysteine itself may cause some prolongation of INR