Tendon, ligament, and muscle tissue require extended periods for meaningful collagen deposition and fiber reorganization
However, observational studies suggest that whilst acute toxicity remains exceptionally rare, sustained very high levels of B12particularly from supplements or injectionsmay be associated with certain health concerns, though these are correlations rather than proven causal relationships
Oral treatment of pernicious anemia with high doses of vitamin B12 without intrinsic factor
In some cases, they can be life threatening
Reasons are stated below: Does not accumulate in body: Vitamin B12 Injection For Dogs Is Water Soluble-Picture Courtesy: ThinWorks Vitamin b12 injection for dogs does not accumulate in body because it is water soluble
[DOI] [PubMed] [Google Scholar] Swingle WW, Pfiffner JJ