glutathione or glutamine vs Glutamine is one of the

While Glutathione has been shown to have various health benefits, it is important to remember that supplements and dietary changes should be considered as part of an overall health plan and not as a substitute for professional medical treatment

Not to mention its much cheaper than surgery

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This leads to the destruction of parietal cells, achlorhydria, and failure to produce intrinsic factor, resulting in vitamin B12 malabsorption

More broadly, gastrointestinal disorders that affect the small intestine (for example, ileal resection) could increase the risk of B 12 deficiency through malabsorption (Battat et al., 12 deficiency has been reported among untreated celiac disease patients (Theethira et al., 2014)