vitamin b12 for dogs injection B-12 Injection, 1,000 mcg/mL at Tractor Supply Co this solution is available Size:1000 mcg/ml - 1 box (10amp. x 1ml) HORSE MEDICATIONS & HEALTH Phoenix Vitamin B Complex
Phoenix Vitamin B Complex Injection, 100 ml
Further, NICE and the BNF says that if there are neurological symptoms present, then every other day injections are the recommended treatment, so all the points you make about B12 being stored and sufficient are not really relevant
HORSE MEDICATIONS & HEALTH
Size:1000 mcg/ml - 1 box (10amp. x 1ml)
Most of the side effects of B12 injections are mild, including diarrhea or redness or temporary swelling at the injection site
this solution is available in 100