Problems with the kidneys There have been reports that taking high doses of glutathione for a long time can put stress on the kidneys or make them toxic, especially if you dont drink enough water or get enough assistance
They use different transport mechanisms in the digestive tract, meaning they aren't fighting for the same "doorway" to get into your bloodstream
Antioxidant glutathione (GSH) is found in high concentrations in many tissues within the human body and has been shown to play roles in mitigating oxidative stress and inflammation, maintaining redox balance, enhancing metabolic detoxification processes, and regulating immune function
PMC11499218 Hou, A., Cohen, B., Haimovic, A., & Elbuluk, N