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The body tightly regulates B12 absorption through intrinsic factor, a protein produced in the stomach that binds to B12 and facilitates its uptake in the terminal ileum
Enhances brain-derived neurotrophic factor pathways, supporting neuronal growth, dendritic spine formation, long-term potentiation, and synaptic plasticity necessary for memory consolidation and cognitive function
All of these could be causes of Vitamin B12 deficiency
According to clinical observations reported by Integrative Medicine of Los Angeles, an intramuscular B12 injection is absorbed more slowly over a longer time frame compared to an IV infusion, which delivers the nutrient immediately into the vasculature
