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Some patients report increased alertness or reduced fatigue within hours
at Seoul National University, published in Archives of Pharmacal Research [1]
Vitamin B12 injections offer a range of health benefits and can be particularly advantageous for individuals with B12 deficiency, pernicious anemia, or conditions that impair B12 absorption, such as gastrointestinal disorders (e.g., Crohns disease or celiac disease)
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