Methylcobalamin does not have to be converted by the liver to make it active, so your body can get higher absorption and utilize the benefits of this energy supplement
SQ delivery may help, because fat tissue has fewer blood vessels than muscle, leading to slower dispersion of B12
Clin Chem
For borderline results, additional testing with holotranscobalamin or methylmalonic acid/homocysteine levels may be appropriate
Strength points and limitations Based on our knowledge, this is the most updated meta-analysis on this topic, including all available evidence based on our inclusion criteria of including only controlled studies, either RCTs or controlled observational studies, to reach the highest accessible quality of evidence from the available evidence found in the literature
Research framings commonly use morning, once daily