is b12 injection better than oral Vitamin Intramuscular Injections Versus Supplements: A Budget Impact Analysis B12 Injections vs Oral Supplements:

Heres what you need to know: Standard Dose: 250-500 mcg (0.25-0.5 mg) once daily via subcutaneous injection Clinical Range: Research protocols tested 250 mcg to 1 mg daily with no additional benefit above 1 mg Timing: Morning administration in completely fasted state for optimal lipolytic effect Administration: Subcutaneous injection into abdominal fat region Cycle Length: Typically 12-24 weeks based on metabolic goals and physician guidance Reconstitution: Mixed with bacteriostatic water

There are concerns about adherence to oral treatment, for example, if the person: Is older, is or has recently been in hospital and has either multimorbidity or frailty

PMID 28137297

Deficiency results in fatigue, weakness, and cognitive fog