what are b12 injections for B12 Shots: Amazing Benefits You

The needle is integrated, the dose is pre-set, and you do not need to draw up medication

Ranke MB, Savage MO, Chatelain PG, Preece MA, Rosenfeld RG, Wilton P

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When deficiency is confirmed, replacement can support blood count recovery and may help prevent worsening nerve problems related to low B12

Peter Attia MD

The elderly (reduced absorption) Pernicious anemia Vegetarians / Vegans (low dietary B12) People taking metformin or acid reflux medications (PPIs) Post-bariatric or gastric-bypass patients Genetic variants in MTRR , MTR , or TCN2 What Has B12 Been Studied For