L Carnitine ((R) Carnitine) Co factor for oxidation MedChemExpress Androgen receptor density plays a meaningful role in muscle anabolism because it determines how strongly a muscle fiber responds to androgen signaling. Gabriel Alizaidy, MD, MS JCI Sex, cells, and metabolism: Androgens temper Th17 mediated immunity TRT Doctors, Vigorous Steve and MPMD recommend oral L Carnitine Tartrate supplementation for increasing androgen receptors count or sensitivity. I remember Eric Trexler disagreeing with this. Have you changed your mind? Why are Hitting the Gym But Not Growing? The 'Secret Switch' Your Muscles Are Missing.