Interestingly, they further reported a paradoxical lower expression of ferritin, the iron storage protein that keeps iron in an inactive non-redox state, in schizophrenia patients [116]
But price is just one variable
Conditions like pernicious anaemia (an autoimmune condition affecting a protein called intrinsic factor vital for B12 absorption), stomach issues (such as from reduced stomach acid or certain medications like proton pump inhibitors), intestinal disorders (like Crohns disease or coeliac disease), or even surgical removal of parts of the small intestine (e.g., gastric bypass surgery) can prevent proper absorption
Dont overdo it moderate consistent activity beats intense sporadic efforts
doi: 10.3892/ijmm.2017.3272 192 ThirionCStuckaRMendelBGruhlerAJakschMNowakKJet al
If you are wondering whether or not to try it out I would say it should be an easy decision