b6 and b12 injections vs pills Oral Supplements: Which are more effective? Are B12 Shots Safe? Royal
Description
This review reflects the potential importance of the vitamin B12 assay as an early diagnostic marker of these diseases

The mechanisms behind B12 deficiency in metformin users are multifactorial but are probably related to intestinal absorption, so it seems sensible to assume that oral B12 replacement may be less effective, although there is little evidence in this area

PMC Stier H, Vos E, Kenley D
doi: 10.1093/ajcn/85.1.193

This is not a weight loss miracle drug, but rather medication containing essential vitamins and amino acids that our bodies need daily for a healthy lifestyle
