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It plays a critical role in protecting cells from oxidative stress and damage caused by free radicals, toxins, and inflammation
When deficiency is suspected based on clinical features (fatigue, paraesthesia, cognitive changes) or risk factors (vegan diet, gastric surgery, certain medications), serum B12 measurement guides appropriate intervention
Any preparation, aliquoting, solvent compatibility review, or research recordkeeping should be carried out according to established local compliance standards and documented laboratory workflows
If tiredness is persistent or unexplained, consider GP advice or blood testing
effects remain investigational and animal-only
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