Summary-level data for 4 enzymes including alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartate aminotransferase (AST), and gamma glutamyltransferase (GGT), was available from the UK Biobank
Metformin, commonly prescribed for type 2 diabetes, is well-known to cause diarrhoea and is also associated with B12 deficiencymeaning patients may be taking both simultaneously
Some people who need shots include those who have had gastrointestinal surgery if their digestive system cannot absorb vitamin B12 efficiently
How Can Vitamin B12 Shots Help With Weight Loss
In addition to limited absorption via the IF, the intake of high-dose supplements leads to passive diffusion, i.e., the vitamin can freely enter the bloodstream without IF binding and receptor uptake