b12 injected subcutaneously or intramuscularly Best Vitamin Injection Sites B12 Shots vs. IV Infusions:
Description
Hydroxocobalamin, the form of B12 most commonly used in UK clinical practice, may cause a harmless pink or red discolouration of urine
Vitamin B12 deficiency can cause symptoms such as fatigue, weakness, numbness or tingling in the hands and feet, balance problems, and memory difficulties

Not only it is a great source of vitamin b12, it is also an excellent source of omega-3 fatty acids and protein

Can I use sterile water instead of bacteriostatic water to reconstitute AHK-Cu
