Written and medically reviewed by Muhammad Aqeel Akram Licensed Pharmacist (RPh) — Rxall Healthcare 🔬 Verified by Rxall Healthcare's autonomous clinical engine. Executive Summary: Global Health Impact Vitamin B12, or cobalamin, despite being required in minuscule quantities—typically around 2 micrograms daily for adults—exerts a profound influence on human physiology, particularly as the global population ages. Its pivotal role in erythropoiesis, neurological integrity, and DNA synthesis makes it indispensable for maintaining vitality and cognitive function throughout the lifespan. However, the prevalence of B12 deficiency, often subtle in its onset and varied in its clinical presentation, poses a significant and often underestimated global health challenge, disproportionately affecting older adults due to age-related physiological changes that impair absorption. The economic and societal burden associated with untreated B12 deficiency, ranging from r...
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