US$ 29.48
vitamin b1 b6 b12 injection where to buy at BiosenseClinic.com a Licensed Pharmacy – Biosense Clinic This injectable solution is suitable for horses Vitamin B-12 Injection, 3,000 mcg/mL
Description
Probably, but why risk it
E53.0 - Riboflavin deficiency: Vitamin B2 (Riboflavin) deficiency can lead to a deficiency of other B vitamins, including Vitamin B12

It cannot resurrect the dead ones

Also, refrain from massaging the injection site vigorously
