Injections deliver the vitamin directly into your bloodstream for faster absorption and immediate benefits, while supplements offer a convenient daily option for long-term maintenance
By comparison, oral B12 supplements are absorbed at roughly 1 to 5% in healthy adults, and even less if you have low intrinsic factor, atrophic gastritis, celiac disease, Crohn's, or a history of gastric bypass
It is also essential for the production of fatty acids, which are important for healthy skin and hair
Jane Smith, International Journal of Compounded Medicines Dosing Considerations for Compounded Preparations When giving Tiaminal B12 injection, the dose must be right for each patient
Approximately 80% of the injected fluid is likely to be removed within eight hours of delivery