Glutathione level and glutathione reductase activity in serum of coronary heart disease patients How Common is Heart Disease in Diabetes? Heart Disease and Diabetes Iron Balance and Cardiovascular Health: The Double Edged Role of Deficiency and Overload Cardiovascular Toxicology Springer Nature Link Glutathione deficiency and heart failure: a systematic review of human and animal evidence ScienceDirect Benefits of Glutathione." Glutathione is a compound involved as a coenzyme in oxidationreduction reactions in cells. It is a tripeptide derived from 3 amino acids: Cysteine, glutamate (from glutamic acid), and glycine.