Pay in 4 interest-free payments of $7.18 Learn more
Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
This makes oral supplements less effective for individuals with: Pernicious Anemia: An autoimmune condition where the body can't produce intrinsic factor
Patients with a history of intestinal surgery, strictures, or blind loops may have bacterial overgrowth that can compete for dietary vitamin B 12 in the small bowel, as can infestation with tapeworms or other intestinal parasites
Customers in regulated research environments academic institutions, contract research organizations, or industrial R&D groups should retain the COA and shipping records for each lot they receive
I was having a significant problem with my bowels (nausea mostly) and stomach aches, and day long headaches
