does l carnitine cause muscle loss l-Carnitine Supplementation in Recovery after Exercise The Benefits (and Limitations) of

PMID: 35797799 Nat Chem Biol 2025 Mar;21(3):371-382

, berberine (Yang et al., 2017

however, no differences in glycaemic indices of fasting blood glucose (FBG) (7.1 10.7 mg/dl, p = 0.15), glycated hemoglobin (HbA1c) (0.1 0.4%, p = 0.73), insulin (0.73 0.8 U/ml, p = 0.39), or insulin resistance (HOMA-IR) (0.19 0.33, p = 0.56) were seen between groups after 12 weeks

If your microdose protocol is not producing changes in appetite, weight, glucose levels, or whatever metric you are monitoring, the dose may simply be too low to do anything meaningful

When you first start taking Mounjaro, your dose will be increased slowly from 2.5mg to a maximum maintenance dose of 15mg