Q15: What do studies show
WQ: Data curation, Investigation, Writing review & editing
Decreased stomach acid Atrophic gastritis Autoimmune pernicious anaemia Helicobacter pylori Gastrectomy, partial or complete Gastric bypass surgery (weight loss) Intestinal resection Partial or complete ileectomy Gastrointestinal neoplasms Malnutrition Eating disorders anorexia bulimia Inadequate diet Vegetarianism / veganism Malabsorption syndromes Alcoholism Crohns disease Coeliac disease (gluten enteropathy) Dipphyllobothrium infection blind loop syndrome diverticulosis inflammatory bowel disease small bowel overgrowth tropical sprue gastric irradiation ileal irradiation (bladder,cervix, uterus,prostate) Inborn errors of B12 metabolism Transcobalamin II deficiency Pancreatic exocrine insufficiency & Chronic pancreatitis Imerslund Gresbeck syndrome Zollinger Ellison Syndrome Bacterial overgrowth (small bowel) Fish tapeworm Advanced liver disease Drug induced causes Please note

Itinerary Day 1: Welcome To Lima The City Of Kings The first day of your experience begins with our personalized reception at Limas Jorge Chvez International Airport, where our specialized representative will welcome you and coordinate your executive transfer to your boutique hotel strategically located in the exclusive district of Miraflores
It supports red blood cell production, helps maintain a healthy nervous system, and is crucial for energy metabolism