They were using AOD-9604 without the metabolic context required for its mechanism to function
While also super duper rare, it is possible to have an allergic reaction to vitamin B12 injections
PMID: 41599884 7 A pilot study comparing the pharmacokinetics of injectable cyanocobalamin and hydroxocobalamin associated with a trace mineral injection in cattle
However, sterile water is still preferred when the injection must be preservative-free
Signs of B12 deficiency include: Yellow tinge to skin Dizziness Rapid heartbeat Mouth ulcers Blurred vision Swollen, inflamed tongue (glossitis) Fatigue or weakness Irritability, depression, and other mood changes Pins and needles sensation in hands and feet Memory loss Behavioral changes For mild deficiencies, vitamin supplements and fortified foods can often help restore adequate B12 levels, but sometimes, a vitamin B12 injection is a better option
Boosts Your Mood Boosting your cognitive power, vitamin B12 is essential