One possibility is that infection with the Herpes zoster virus might increase the risk of dementia, and therefore by inhibiting the virus, the vaccine could reduce this risk, replied co-author, John Todd, a Professor of Precision Medicine at the University of Oxford and Director of the Wellcome Centre for Human Genetics and of the JDRF/Wellcome Diabetes and Inflammation Laboratory (DIL)
However, individual tolerance varies significantly
Analysis of Schisandra Chinensis and Schisandra Sphenanthera. Journal of Chromatography A 1216.11 (2009): 1980-990
In short, while B12 corrects deficiency reliably, it does not act like a weight-loss drug in people with normal levels
Weight loss varies by patient and medication
She may change your plan so you get better results and have fewer side effects