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If any signs of injection site infection develop (increasing redness, warmth, swelling, or pain), discontinue use and consult a healthcare provider
Methylmalonic acid is especially helpful when standard B12 levels appear falsely elevated but symptoms remain
S2), this trend did not rise to the level of statistical significance
Understanding B12 Deficiency: Signs You Might Need a Boost Vitamin B12 is crucial for nerve function, red blood cell production, and DNA synthesis
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