Given his results, while I might try just high dose serine first, adding NAC, nicotinamide riboside, glycine and carnitine also makes sense, as Mardinoglus research suggests
doi:10.1183/09031936.00001612
Delivers antioxidant protection to combat free radicals while helping to reduce melanin for a brighter, more even complexion
PubMed , Cell Metabolism , vol
2b1, b2 and 6a)
These studies help to determine the absorption, distribution, metabolism, and excretion profiles of combination agents, characterize their immunomodulatory effects and kinetics in terms of drug concentrations, identify any undesirable effects or toxicities arising from combination use, and inform personalized treatment approaches according to patient-specific factors and disease activity