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According to NICE Clinical Knowledge Summaries, once B12 deficiency is adequately treated and symptoms resolve, routine monitoring of serum B12 levels is generally unnecessary, as clinical response is the primary indicator of treatment effectiveness
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Hair thinning Some GLP-1 users report hair thinning during aggressive weight loss phases
Vitamin B12 plays a key role in red blood cell production, nutrient conversion, and neurological balance, and its impact grows stronger when paired with lipotropic agents
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