Low B12 levels contribute to increased levels of homocysteine, an amino acid that, in excess, can damage blood vessel walls and increase the risk of heart disease
This makes compliance much more accessible than a daily supplement regimen
Vitamin B12 is also a large factor in the tryptophan production process
It is particularly common in individuals with certain risk factors, including those who have undergone gastric or small intestine resections, have inflammatory bowel disease, use metformin or proton pump inhibitors, follow a vegan diet, or are older than 75 years
Multiple injections are required, usually on a weekly basis
The most common reasons for getting vitamin B12 injections include: Vitamin injections are quick and safe