syringe and needle for b12 injection Ulove Prs 12 Pack 1ml Industrial Syringes with 25Ga 1 Inch Needle, Plastic Disposable Scientific Labs, Liquids Refilling and Measuring : Industrial & Scientific Vitamin B12 Injections: Benefits and
Description
This difference in temporal dynamics means the two compounds should be phased strategically, not stacked haphazardly

Subcutaneous injections On the 10th of March 2023 I also sent Jane the following Query answer report Alternatives to intramuscular administration of hydroxocobalamin from the West Midlands Medicines Information Service March 2020 (144230-vitamin-b12-west-midlands-ukmi-march-2020-1586185691)
For a person who cannot absorb B12, the injection is a critical, life-sustaining treatment, not a voluntary supplement

Natural remedies, like a B-12 supplement, may help