The Science Behind B12 Injections and Their Long-Term Health

B12 from food takes a complex path to reach your cells. In your stomach, acid and enzymes separate B12 from proteins. Then B12 binds to an intrinsic factor, a protein made by your stomach. This allows absorption in your small intestine. Many things can disrupt this process.
Introduction: Why B12 Matters More Than You Think Do you often feel tired even after sleeping well? Maybe you have ...
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