does glutathione blood test require fasting Sugar (FBS) Glutathione Index
Description
doi: 10.1097/00003246-200104000-00036

Health Implications Mutations in the MTHFR gene can lead to reduced enzyme activity, resulting in elevated homocysteine levels in the blood

Lack of the antioxidant enzyme glutathione peroxidase-1 accelerates atherosclerosis in diabetic apolipoprotein E-deficient mice
While you can get precursors like cysteine from protein-rich foods and sulfur from vegetables like broccoli and garlic, it can be difficult to reach high levels through diet alone, especially as you age
