is bac water same as sterile water What Water? A Doctor's Guide to Bacteriostatic BAC Water
Description
It measures the total concentration of vitamin B12 circulating in your blood bound to transport proteins

Alfadhel M, Almuntashri M, Jadah RH, Bashiri FA, Al Rifai M, Al Shalaan H, et al

[PubMed: 26027795] 206

Additionally for people who are dealing with an acute B12 deficiency, oral supplements may not be the best course of action given that there is no way to determine how much is actually absorbed

Medical follow up after bariatric surgery: Nutritional and drug issues General recommendations for the prevention and treatment of nutritional deficiencies

Vitamin B12 plays a significant role in our metabolism and hormones
