However, systemic administration for pathologies local to the auris interna increases the likelihood of systemic toxicities and side effects and creates a non-productive distribution of drug in which high levels drug are found in the serum and correspondingly lower levels are found at the auris interna
Table of Contents: What is Vitamin B12
In the 1960s, Luft first used ruthenium red staining and electron microscopy to observe the glycocalyx structure [7]
doi: 10.1159/000119233 384 LawsonNHsiehCHMarchDWangX
In humans theres essentially no data on half-life, mechanism, or long-term side effects (source)
They are recommended for people who have trouble absorbing B12 from food, such as those with digestive issues, vegans, or older adults