Does B12 Fight Infections? Understanding the Link to Immune Health
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4 min read
According to a study published in BMC Medicine in 2024, an association was found between elevated levels of methylmalonic acid (a marker of B12 deficiency) and the development of sepsis in infected patients, though a direct link between total B12 levels and sepsis was not established. This study and others highlight the critical, though indirect, role of vitamin B12 in supporting a robust immune system to fight infections.
