Deficiency is widespread, with peer-reviewed research describing it as a global health concern affecting populations across all age groups and geographies (Cashman et al., American Journal of Clinical Nutrition , 2016
Gastrointestinal pathology, dysfunction, or surgery, including gluten enteropathy or sprue, small bowel bacterial overgrowth, total or partial gastrectomy
The relative abundance of Erysipelatoclostridium was increased in vehicle-treated mice that underwent the WD to LD switch (WD/LD-V) relative to the two control groups (LD/LD-V and WD/WD-V) but was not increased in 5A-1MQ-treated mice that underwent the same diet switch (WD/LD-T)
My experience with vitastir has been amazing
Folate levels should only be tested if cobalamin levels are normal
What are the benefits of b12 injections