US$ 25.76
is bac water safe How to Properly Use in Multi-Dose Vials Bacteriostatic Water | Hospira Bac
Description
Supports the Immune System Vitamin B12 is essential for a healthy, functioning immune system

This is also true for people who cant absorb nutrients well

Transl Psychiatry 11 , 206 (2021)

You can't buy it over the counter, online, or without medical oversight
Pack Size 500mL Dosage Dosage Recommendations: Administer to cattle by subcutaneous injection
