This accumulation is mediated by plasmalemmal transporters predominantly expressed in glial cell, such as divalent metal transporter 1 DMT1/SLC11A2 or zinc transporter ZIP14/SLC39A14, 374,375 which both transport Fe 2+ (ferrous), whereas Fe 3+ (ferric) is accumulated through transferrin receptors
From an athletes perspective, I also wont consider using it until it has been approved by anti-doping authorities
The Journal of Foot and Ankle Surgery
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However, physical exercise also results in the generation of reactive oxygen species (ROS) in exercising muscle, which is why it is important to replenish your body with antioxidants such as glutathione
10.1039/c9fo01021a Food Funct