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B-12 supports red blood cell formation, neurological function, and DNA synthesis, making it a foundational treatment for fatigue, cognitive performance, and metabolic health

In: Dodda JM, Deshmukh K, Bezuidenhout D, editors

Evidence from patients indicates reduced salivary LTF specific to AD and no other forms of dementia, a finding that supports the theory that reduced oral antimicrobial defenses and subsequent increased oral pathogen burden are responsible in part for AD pathogenesis (Gonzlez-Snchez et al., 2020)

Lab monitoring Before starting supplementation, your provider may recommend checking vitamin B12 levels using tests such as serum B12, methylmalonic acid (MMA), or homocysteine

While it may be a bit uncomfortable and cause some pain, its generally just a minor inconvenience