propionyl l carnitine testosterone VitaMonk GlycoTrax - High Absorption GPLC Supplement - No Artificial Fillers - GPLC Glycine Propionyl-L-Carnitine Capsules Supplements to Support Healthy Blood Flow Glycine Propionyl L Carnitine and

Amino Acids 39:727737

Exogenous oxidants highly induced the expression of LtGPX3 , and the Ltgpx3 mutants displayed increased sensitivity to ROS-generating oxidants

Side Effects & Safety No lethal dose found -- toxicology studies couldn't establish an LD50 (Sikiric et al., 2006) No organ toxicity in chronic dosing No hormonal effects -- doesn't affect testosterone, estrogen, cortisol, or GH Mild nausea -- mostly with oral dosing Brief lightheadedness -- occasionally after injection Injection site redness -- standard for SC peptides Angiogenesis concern -- promotes new blood vessel growth, which raises a theoretical question about existing tumors

Lan T, et al