Advantages of Oral B12 Supplements Oral supplements have several advantages: Convenience: Easy to take at home without clinic visits Non-invasive: No needles or injections required Cost-effective: Generally less expensive than injections Variety: Multiple formulations allow personal preference and flexibility Suitable for mild deficiencies or preventive supplementation For many people without absorption problems, oral B12 supplements are sufficient to maintain healthy levels
Compounded versions, when available from licensed pharmacies, are typically a fraction of that
Increasingly, research points to genetics as a significant and under-examined contributor
Corrales FJ, Perez-Mato I, Sanchez del Pino MM, Ruiz F, Castro C, Garcia-Trevijano ER, Latasa U, Martinez-Chantar ML, Martinez-Cruz A, Avila MA, Mato JM: Regulation of mammalian liver methionine adenosyltransferase