doi:10.7759/cureus.51460 Fisher, C
Clinical reality is different We know from randomised clinical trials that they have positive effects, but clinical reality is different with patients varying in disease severity, comorbidities, and adherence to treatment recommendations, says Bjrn Pasternak
This is particularly important if you are part of any of the groups considered to be at high risk of B12 deficiency, including alcoholics, smokers, those on diabetes drugs, adults over 65, those with gastrointestinal disorders and those who have had surgery relating to the digestive tract
Note when they happen, what you were doing or thinking beforehand, and how long they last
Katrin Svensson, PhD, an associate professor of pathology at Stanford University who directs a lab doing preclinical peptide research, goes further