https leadersandbest.umich.edu careers student dsip Opportunities 20 years of D-SIP: Introducing
Description
People with pernicious anemia, may benefit from sublingual B12 as they lack intrinsic factor and have a lot of trouble absorbing B12 through their digestive system (Ankar, 2020)
They are considered to be safe and come with no major adverse reactions
It feels like a minor detail, a footnote in a complex research protocol

Most patients have reported that their results lasted anywhere from six months to one year before seeking additional treatment for skin maintenance
