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In recent years, targeted regulation of cellular metabolic pathways has become a central focus of anti-aging research

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Available from: National Institutes of Health, Office of Dietary Supplements

Annals of the rheumatic diseases 61 , 319324, (2002)

[1] [2] B12 functions as a cofactor in cellular metabolism, participating in the conversion of homocysteine to methionine and the metabolism of methylmalonic acid, both crucial for energy production