A deficiency of vitamin B12 is fairly difficult to diagnose and there are quite a few variables that can lead to the deficiency or just not quite having enough of it regularly, so injections of vitamin B12 can benefit quite a few people who suffer from symptoms including brain fog, fatigue, lethargy, feelings of depression, tingling in their hands or feet, dizziness, and memory loss
MMA levels tell us how well the body uses B12
Because muscles have a rich blood supply, this method enables faster absorption into the bloodstream
Some protocols involve longer continuous use for 6-12 months with ongoing monitoring
"Metabolic studies of a synthetic C-terminal fragment of human growth hormone (AOD9604)." Journal of Endocrinology 166.3 (2000): 75-85
A: For chronic in vivo studies, daily administration of a specific 5-Amino-1MQ dosage is common to maintain consistent systemic exposure