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[The activity of erythrocyte and platelet glutathione reductase and glutathione-S-transferase in paranoid schizophrenia]
Gastric acid and proteolytic enzymes break the peptide bonds before the molecule can cross the intestinal wall intact
B12 injections solve this problem quickly
For many, particularly those with underlying malabsorption issues like pernicious anaemia, injections are demonstrably more effective and stronger in their ability to deliver B12 directly into the bloodstream, bypassing the digestive systems limitations
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