Durian fruit pulp extract enhances intracellular glutathione levels, mitigating oxidative stress and inflammation for neuroprotection Scientific Reports Liposomal glutathione outperforms plain glutathione in uptake, cell regeneration and systemic availability: evidence from cellular and human models British Journal of Nutrition Cambridge Core Oral administration of glutamylcysteine increases intracellular glutathione levels above homeostasis in a randomised human trial pilot study ScienceDirect Hemoglobin is an oxygen dependent glutathione buffer adapting the intracellular reduced glutathione levels to oxygen availability ScienceDirect