Gastrointestinal side effects are most common during the titration phase, when doses are increasing
When administered intravenously (through injections or slow infusions), Glutathione bypasses the digestive system, delivering high concentrations directly into the bloodstream
Exercise Intolerance and Shortness of Breath: By improving endothelial blood flow and oxygen delivery to skeletal and respiratory muscles, L-carnitine can help delay the onset of anaerobic metabolism, reducing the burning sensation and breathlessness experienced during mild exertion
The result is often visible as a softer jawline, looser skin along the neck, or a deflated quality to the cheeks and midface
Side effects such as nausea, diarrhea, and constipation may occur, making the involvement of medical professionals paramount in directing effective, safe usage