This shot is for people at risk for low dietary intake of B12, which includes vegetarians and vegans
There are a few possible explanations for that metal mouth sensation
If you need to titrate carefully from 0.5mg upward, 5mg/ml provides finer adjustment increments
The appropriate approach should be discussed openly, including the expected costs, the evidence for the proposed regimen and what the next step would be if symptoms do not improve
Its found in high concentrations in animal products, especially red meat, and is essential for red blood cell formation, DNA synthesis, brain development, and nervous system function
Other Solvents: For some more complex, hydrophobic peptides, solvents like 10% acetic acid might be required to get them into solution