b12 injection half life of Plasma Half Life Too Much B12 Symptoms: Overdose
Description
Containing both methylcobalamin and adenosylcobalamin, this high-potency liquid B12 supports energy production, cardiovascular health, and cognitive function

A., et al

Scand J Med Sci Sports

If only 0.20.5mg reaches the dermis topically, then direct subcutaneous injection at 0.751.5mg theoretically delivers 37 the bioavailable dose
