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Nervous system and stress tolerance B12 deficiency doesn't just affect mood directly it degrades your capacity to handle stress
Consider a B12 shot if you often feel run-down, struggle with concentration, have mood fluctuations, or want a natural boost without relying on caffeine or stimulants
Specifically, it acts as an electron carrier in metabolic pathways such as glycolysis, the Krebs cycle, and oxidative phosphorylation
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People with digestive conditions such as Crohn's disease, celiac disease, or other inflammatory bowel conditions often have a compromised gut lining and cannot absorb oral B12 efficiently
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