Anabolism often gets treated like a single switch, but muscle growth depends on several systems that work together after training creates the initial stress. Gabriel Alizaidy, MD, MS Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis L Carnitine activates calcium signaling in human osteoblasts ScienceDirect Inhibition of androgen receptor can decrease fat metabolism by decreasing carnitine palmitoyltransferase I levels in skeletal muscles of trained mice Nutrition & Metabolism Springer Nature Link