what's the difference between bac water and sterile water vs vs Saline: What to Use (2026) π§ WHAT IS BAC WATER?
Description
However, the effect of oral vitamin B 12 varies among patients (13), and the available randomized controlled trials comparing the two treatment regimens are considered to be of low quality (14)
Risks and Side Effects of B12 Injections However, B12 shots are not void of risks, though they are generally safe

Always read and follow the label directions

[1] It is prepared in a 30 mL multi-dose vial with a preservative (2 % benzyl alcohol) for multiple withdrawals
