glutathione and autism Serum reduced levels in children with healthy Oxidative Stress Indicated by Nuclear
Description
But these arent all of the medical reasons and there are also medications that interfere with B12 absorption

In eukaryotic cells, actin exists in two forms: G-actin (Globular/Treine Actin): Free monomeric actin F-actin (Filamentous Actin): Polymerized actin filaments TB-500 binds to G-actin in a 1:1 stoichiometry, effectively maintaining a pool of monomeric actin available for rapid polymerization when needed
These 4 essentials are intimately involved with numerous pathways from enzymatic reactions and DNA synthesis, fatty acid/amino acid metabolism, innate immunity, the anti-inflammatory cascade, cellular differentiation, and many more

Tetrahydrobiopterin in nitric oxide synthase
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Together, these data suggest that VSG alters gut bacterial bile acid metabolism which may contribute to the gut microbiome-derived effects of this operation
