Alanine and glutathione targeting of dopamine or ibuprofen coupled polypeptide nanocarriers increases both crossing and protective effects on a bloodbrain barrier model Fluids and Barriers of the CNS Springer Nature Link Natural variation in age related dopamine neuron degeneration is glutathione dependent and linked to life span PNAS Eat your way to glowing skin with these 6 vitamins and nutrients Dopamine but not l dopa stimulates neural glutathione metabolism. Potential implications for Parkinson's and other dopamine deficiency states ScienceDirect