US$ 29.23
sheep vitamin b12 injection Buy ABBEY VB12 for Livestock – Hills Farm Supplies dogs and horses as needed Vitamin B-12 Injection, 3,000 mcg/mL
Description
These injections are non-prescription and are used to improve the wellness of individuals/clients
10.1080/16078454.2021.2010877 [DOI] [PubMed] 32.Schijns W, Homan J, van der Meer L et al (2018) efficacy of oral compared with intramuscular vitamin B-12 supplementation after Roux-en-Y gastric bypass: a randomized controlled trial

Maybe they have enough antibodies produced with one shot
This injection into the muscles allows a higher proportion of the B12 to be absorbed into the body, as injections into the veins or oral supplements may allow some of the vitamin to be lost as it passes through the digestive system
