US$ 23.74
vitamina b12 injection Buy Vitamin Injections, 2000mcg Veterinarians may prescribe vitamin B12 injections to animals with a deficiency Vitamin B12 Injections (Cyanocobalamin Injections)
Description
Concomitant medicines particularly insulin or sulfonylureas should be reviewed for interaction risk, and pregnancy or breastfeeding status should be assessed

Without that filler it looks like you have a small amount or nothing in your vial even though you do

Yu P, Liu Z, Yu X, Ye P, Liu H, Xue X, et al

Vitamins in Animal and Human Nutrition (2nd ed.)