This is because a related chemical, L-carnitine, seems to interfere with thyroid hormone
Because both pathways tend to decline with age, especially in your 40s and 50s, they may work well together for people focused on supporting long-term function and healthy aging
Some patients ask about pairing it with GLP-1 options such as semaglutide, which works through a different mechanism aimed at overall weight
PubMed Central , JAMA Psychiatry , vol
(Springer International Publishing AG, Cham, Switzerland), 331357
Injecting through wet alcohol introduces contamination