Found in every cell, glutathione plays a role in immune function, gene expression, mitochondrial integrity, regulation of DNA and protein synthesis, and the detoxification of both endogenous and environmental toxins
11 In contrast, L-glutathione supports the immune system by reducing oxidative stress and enhancing the activity of natural killer cells and lymphocytes
Both were developed in Russia, both influence neurotransmitter systems in the brain, and both are used by people looking to improve mental performance or reduce anxiety
Other serious side effects can include dizziness or lightheadedness, swelling in the feet or ankles, severe shortness of breath or wheezing, chest pain or a fast heart rate, and bright red blood in the stools
This is one of the main reasons the two are paired together rather than administered separately
Some people notice theyre more irritable, anxious, or even depressed