vitamin b12 injection fda label ANDA 080737 Cyanocobalamin Injection, USP 1,000 mcg/mL Applicant: American Regent, Inc. Module 1, Section 1.14.1.1 – Draft Car VITAMIN B12 INJECTION 1000 mcg/mL
Description
This means the B12 is not free to bind with other glycoproteins and move through the GI tract for absorption
And because anywhere from 1 to 5 mg can be stored, a deficiency that develops from inadequate intake or absorption can take months to years to develop 4
Ng, FM, et al
Many elderly patients develop atrophic gastritis or take proton pump inhibitors (PPIs) long-term, both of which can impair absorption
