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Since your body cannot absorb naturally produced B12 from gut bacteria, animal-based dietary sources like meat, fish, eggs and dairy[5] as well as fortified foods or supplements are necessary to meet daily needs
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Food might slow down absorption slightly, but it also helps buffer the stomach lining, which can be beneficial for sensitive individuals
TB-500 injection: Given TB-500's systemic distribution regardless of injection site, most protocols use simple subcutaneous abdominal injection
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