is sublingual b12 as effective as injections Sublingual B12 vs. B12 Injections:
Description
In addition to boosting energy and mood, B12 injections help support immune function, metabolism, and heart health.

The plot is from: sciencedirect.com/science/a
the Ministry of Science and Technology of the Peoples Republic of China [grant number 2017ZX10201101 and 2020YFC2002705]

Hydroxocobalamin and cyanocobalamin are commonly used forms for injections
