The Science of Absorption The biggest difference between injections and pills is how B12 enters your system, and for many people this is the deciding factor
Different techniques are used to ensure quality control of finalized preparation like HPLC (high performance liquid chromatography) or gas chromatography, spectrophotometry, UV detection, measurement of osmolality & pH etc
The main health advantages of B complex injections
Oral supplements have to pass through the digestive system and may not be absorbed efficiently, especially in people with gastrointestinal conditions like celiac, Crohns, or gastritis
How long do I need B12 injections after damage from nitrous oxide
A serum B12 level test and ideally a methylmalonic acid test should be performed before starting B12 injections