how to inject b12 in dogs :Administer an injection of to a dog Calcium Gluconate and Vitamin B12
Description
The Lipo injection is recommended to be given once a week

Drug/Laboratory Test Interactions Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and vitamin B12 diagnostic blood assays
Potential improvement in liver health: Research suggests it may help reduce liver fat, which is especially beneficial for those with non-alcoholic fatty liver disease (NAFLD)

[1] [21] This is particularly relevant in post-sleeve patients who may be taking iron supplements or eating a relatively varied diet
