pubmed glutathione system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis The Role of Glutathione Metabolism
Description
Increases in GGT levels, therefore, are an indicator of an increased demand for glutathione synthesis, likely due to xenobiotic exposure, an association which appears to be well-supported

Iron: Patients with iron deficiency anemia are often accompanied by a decrease in glutathione peroxidase activity

A deficiency of certain micronutrients that are crucial for DAO activity can also be important

investigation, A.F.A., K.J., B.B., S.K., P.W

7 Absorption 8 Active absorption: Vitamin B 12 is in food
