If you want to know what L-carnitine does for you, test it by itself first
PMID 1671786
If youre losing fat and gaining muscle simultaneously, the net change in scale weight may be smaller than expected, or in some cases negligible over a given period, even though significant positive body composition changes are occurring
There are other gray areas
Since then, newer versions like semaglutide (Ozempic, Wegovy) and tirzepatide (Mounjaro, Zepbound) have emerged with even more powerful effects
A 2014 mouse study found that NAC and vitamin E accelerated lung tumor progression and reduced survival.41 A 2015 melanoma mouse study found that NAC increased lymph node metastases in mice with malignant melanoma.42 A 2019 mouse study reported that NAC protected against emphysema-related lung damage but also induced lung adenocarcinoma in some mice.43 And a 2021 hepatocellular carcinoma study found that antioxidant supplements including NAC promoted tumor formation, growth, and drug resistance in experimental models by reducing intracellular ROS.3 Newer human data add another layer of complexity
