b12 injection for dogs Vitamin B-12 Dogs, Cats & Horses Vitamin B12 is not made by the body and is provided either by diet or supplementation VITAMIN B12 INJECTION 1000 mcg/mL

Moreover, Researchers have used it in cultured human myoblasts, but no established human therapeutic safety or efficacy profile exists

Then, they get weekly injections until they start to get better

Elevated methylmalonic acid or homocysteine with normal-ish b12 suggests functional deficiency requiring supplementation

If youre vegan or mostly plant-based, oral or sublingual B12 is usually enough long term shots are typically for documented deficiency or absorption issues (NIH ODS)

Serum B12 The graphs show a general trend of quick, initial changes which then slow over time, and that the poorer your initial B12 status is, the more quickly it initially changes