iherb glutathione cream APLB Niacinamide Body Lotion - 10.14 fl oz (300 ml), 10.14 fl oz Glutathione Cream Review for Hyperpigmentation
Description
After IDO activates the KP, kynurenine monooxygenase (KMO) regulates the flow of metabolic intermediates towards the QA synthesis branch or the KYAN synthesis branch
The reason for the chelate effect If you compare the two equilibria below, the one with the 1,2-diaminoethane ("en") has the higher equilibrium (stability) constant (for values, see above)

DOI: 10.1016/j.freeradbiomed.2019.02.009

Even when encapsulated, NPs can be opsonized by serum proteins and captured by phagocytic cells in the liver and spleen as part of the body's clearance mechanisms
