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A: Supplements can help if a deficiency is present, supporting hair regrowth and strength
Tasks can feel easier to start, focus may sharpen, and your mood can feel more balanced
Table of Contents Toggle Literature Scope and Evidence Hierarchy This article is an evidence-informed narrative review rather than a systematic review or meta-analysis
Several studies have indicated that the efficacy of oral vitamin B12 supplements is comparable to that of vitamin B12 injections
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