b12 injection cdc recoemndation Optimal Vitamin Dosage and Treating Deficiency What is the recommended Vitamin

With further research, it is expected to transform from a research tool into a clinical drug, filling the niche in targeted metabolic therapy, especially in the combined intervention of obesity and type 2 diabetes, where it holds unique application potential

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Although this concerns iron, I include it because the answer and the current position is relevant also to B12 deficiency

Side effects are rare and mostly limited to needle sticks (bruising, redness or irritation)