how is b12 injection given Safe Guide at Home Choosing the Right Needle and

If you have a hormone-releasing IUS such as Mirena or Kyleena, or a contraceptive implant such as Nexplanon, Norethisterone is generally not recommended and requires clinical assessment

B12 supports metabolism and helps convert fat and carbohydrates into energy, making it easier to lose weight when combined with healthy eating and exercise

Selected Literature Supporting B12 Research de Groot CP et al., Am J Clin Nutr 1999 Elderly absorption and dietary adequacy

My personal thought is that it is always preferable to use naturally occurring sources of vitamins/nutrients whenever possible and to avoid man-made synthetic versions

Frequency Based on Absorption Capacity : Normal absorption : Injections are typically given every 2-3 months