what's the difference between bac water and sterile water Bacteriostatic Injection Bacteriostatic (BAC) Water for Peptides:

Some of our more popular IM Vitamin Shots: Level 1 Injections Vitamin B12: Energy metabolism, mood, and blood health B-Complex: Energy, stress, metabolism, and immune support L-Glutamine: Helps with muscle soreness and recovery, improves gastrointestinal and immune function, may help with leaky gut and ulcers, supports brain health (addiction, anxiety depression, Alzheimer's, seizure disorders, and more), promotes muscle growth, supports metabolic and heart health, great as a chemotherapy adjunct to support gut lining permeability

Do not use in patients with known hypersensitivity to Hydroxocobalamin or cobalt

However, current data indicate that the optimum obtainable neurologic response may be expected with a dosage of vitamin B12 sufficient to produce good hematologic response

The significance lies not in the B12 elevation per se, but in what it may reveal about your overall health status