paraxanthine increases glutathione catalase enhances memory and neuroplasticity more than caffeine in rats | Experimental Brain Research Concerted action of Glutathione peroxidase-1,
Description
Ann Nutr Metab 2013

& Cryns, V.L

DOI: 10.14309/ctg.0000000000000750

doi: 10.1186/s12916-021-01985-8

In people with symptoms suggesting vitamin B12 deficiency, the general practitioner can collect information on medical history, perform physical examinations, and perform basic laboratory tests such as full blood cell count and serum B12 concentration