US$ 21.63
cows injected with b12 Veterinary Medicine Copper+Vitamin Injection 0.2%+0.1% 100ml for Cattle Sheep Horses Vitamin for Cattle, Sheep, Swine,
Description
Its the beginning of the bodys immune response interacting with the vaccine, he says

You may already have heard of B12, since its an essential nutrient for humans, too

You should expect that all the time

B12 Intake In general, vitamin B12 should be ingested through your daily diet
