Ferritin. a 24-mer heteropolymer of heavy (H) and light (L) subunits. is the main cellular iron storage protein and plays a pivotal role in iron homeostasis by modulating free iron levels thus reducing radical-mediated damage. The H subunit has ferroxidase activity (converting Fe(II) to Fe(III)). https://parisnaturalfoodes.shop/product-category/purge-parasitis/