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These are amino acid based nutrients that play roles in natural metabolic pathways, cellular function and general wellness

Lancet, 402(10403), 720-730

Additionally, if your gastrointestinal tract does not function normally, as with celiac disease or Crohns disease, you may have trouble absorbing or releasing vitamin B12, which will affect the levels in your body and how long the vitamin stays there

Timing: Evening dosing to align with natural sleep onset

Step 1: Medical Evaluation Your provider reviews your health history, lifestyle habits, and wellness goals to determine whether vitamin B shots are appropriate for your needs