are there side effects to getting b12 injections Vitamin Injections: What You Need Know Vitamin B12 Injection - Byrons

Orkin C, Squires KE, Molina J-M, Sax PE, Sussmann O, Lin G, et al

"Maintain cleanliness and avoid administration during wet or dusty conditions." Sheep and cattle can also be exposed to sub-clinical mineral deficiencies if they cannot meet their nutritional requirements from consumed feed during critical stages of the production cycle, such as before joining, lambing/calving or weaning

Absorption Kinetics: SubQ Depot vs IM Bolus 5-Amino-1MQ injected subcutaneously forms a localized depot in adipose tissue, where the peptide diffuses gradually into capillary beds over 4590 minutes

But lets keep this in context: Its a small study of only 10 people Only one person in the study developed acne after the injection Participants were not tested for baseline vitamin B12 levels before supplementation