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Sore Tongue or Mouth Ulcers A swollen, inflamed tongue, as well as mouth ulcers, can also be signs of a B12 deficiency
You might start feeling worn out for no reason, forget small things, or just feel off balance
This population-specific safety evidence is more relevant for clinical application than data from exclusively healthy volunteers would be
"The anaerobic biosynthesis of vitamin B12" (PDF)
This quality assurance approach supports the advancement of research by controlling and documenting experimental variables related to compound quality
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