On average one in ten people are believed to be deficient in Vitamin B12, that is an astonishing six million suffering from the consequences of having less than the optimum amount of B12 in their system
The classic symptoms of B12 deficiency are persistent fatigue, tingling or numbness in the hands and feet, problems with memory and concentration, mouth ulcers, a sore red tongue, and pale or yellow-tinged skin
AOD-9604 is one of the cleanest tools in the peptide world for addressing exactly that
Community subcutaneous research plans often reference 300-500 mcg per day
Commercial involvement does not invalidate the data, but it is relevant when assessing independence and the need for replication
Holick, New England Journal of Medicine , 2007)