how often do i inject vitamin b12 Injection Dose: 7 Guidelines for Adults B12 injections: who needs them

Stomach acid and digestive enzymes must first separate B12 from the proteins

The schedule can vary depending on deficiency severity, nerve symptoms, and treatment response

Theoretical or under-studied Liver enzyme changes community use guides recommend a baseline ALT/AST check and a recheck during long cycles

While B12 is important for blood cells, nerves, and DNA, excessive intake can lead to problems

While the other B vitamins are water-soluble and absorbed into the bloodstream from the gut, vitamin B12 must first bind to a protein called intrinsic factor (IF) produced in the stomach before it can be absorbed