Do transdermal patches for B12 supplementation work?
No, they are not that effective however some vegans may prefer to take them
Adults need 2.4 mcg of vitamin B12 daily to prevent conditions such as pernicious anemia.
Yes, all dairy products increase vitamin B12 in the body.
A Schilling test is also known as a Vitamin B12 absorption test. It was formerly used to determine whether a person was absorbing vitamin B12 normally