For instance, mutations and polymorphisms in transport proteins such as transcobalamin TCN, gastric intrinsic factor GIF and metabolic enzymes such as methylenetetrahydrofolate reductase MTHFR have been associated with vitamin B12 deficiency. 2 Vitamin B12 deficiency may also occur if you have certain conditions, such as: Pernicious anaemia, which makes it hard for your body to absorb vitamin B12 (characterized by a lack of intrinsic factor individuals cannot properly absorb vitamin B12 in the gastrointestinal tract) Atrophic gastritis or inadequate production of stomach acid (occurs in 10-30% of older adults!) Helicobacter pylori infection in the stomach Surgery that removes part of your stomach or small intestine which can result in a loss of cells that secrete hydrochloric acid and intrinsic factor Bariatric surgery Gastrointestinal tract or weight loss surgery Conditions that affect the small bowel Crohns disease Celiac disease (11-41% of patients with celiac will have B12 deficiency) Small intestinal bacterial overgrowth (SIBO) Parasite infections (Giardia and tapeworm) Chronic pancreatitis Heavy alcohol use or advanced liver disease Autoimmune conditions Graves disease Lupus Malnutrition or eating disorders Long term use of medications Proton pump inhibitors H2 blockers Metformin Certain antibiotics 3 How does your body absorb vitamin B12

Liu, MD, MS, MRO, LD Tamer Behman, MD Tina Yang, DO, MS Giovanna Lombardo, FNP-C, RN-BSN Jennifer Sun, LAc, MD (China) Patient Testimonials Weight Loss Testimonials Medical Patient Testimonials IV Treatment Testimonials IV Skin Whitening Testimonials Contact Us Insurance Information Internships Warren Office East Brunswick Office May 19, 2015 Glutathione has greatly improved my skin clarity and complexion
It does not accept health insurance to help keep a lid on prices
Just because you have access to a drug does not mean that you should be taking it and you think that its going to be good for you. His suggestion is using an official channel where people get an FDA-approved drug prescribed
Peer-Reviewed Citations Manning MC, et al