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Why Deficiency Matters Even mild deficiency can cause wide-ranging symptoms: Persistent fatigue or low energy Brain fog, mood changes, or poor concentration Tingling or numbness in hands and feet Pale skin or shortness of breath Reduced immune function These occur because B12 is critical for oxygen transport and nerve conduction
It is commonly explored within advanced longevity protocols
I simply cant live without this
B-12 supports red blood cell production, which helps oxygen move efficiently through the body
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