The concentration of B12 matters far more for color intensity than which chemical form the pharmacy used
Prices range from $20-$100 per injection , depending on clinic or provider
Dosage, Concentration, Route of Administration Dosage: Seek advice from a licensed physician, medical director, or other healthcare provider Concentration: 500mg/ml Route of Administration: IV/IM Resources: Precautions/Side Effects Before using ascorbic acid (vitamin C), talk with your doctor or pharmacist if any of the following apply to you: You have any known allergies You have a history of kidney disease, including kidney stones You have diabetes You are on anticoagulation therapy (blood thinners) You are on a sodium-restricted diet You have a condition called G6PD deficiency (a rare enzyme disorder) Ascorbic acid is generally considered safe to use during pregnancy when taken at recommended doses

It upregulates genes involved in collagen synthesis (COL1A1, COL3A1, COL5A1), extracellular matrix remodeling (decorin, fibromodulin), and antioxidant defense (superoxide dismutase, glutathione peroxidase) while simultaneously suppressing genes associated with inflammation (IL-6, TNF-alpha), fibrinogen production, and tissue destruction (several MMPs)
[DOI] [PubMed] [Google Scholar] Green 2013 Green
For use as an aid in the management of vitamin B12 deficiencies in horses, dogs, and cats