Vegans and those on a 100% plant-based diet need to make sure they have a regular supply of vitamin B12. However there is some controversy over how this should be obtained; whether from fortified foods or supplements – or both, which is the best form of B12 methylcobalamin or cyanocobalamin, how often to take it and at what dose etc.
How common is vitamin B-12 deficiency? Even if you consume animal products it may still be necessary to take a B12 supplement or eat fortified foods as there is no guarantee that you’re actually absorbing enough B12 to prevent deficiency and promote health. A significant proportion of people on the standard UK diet (SUK) and on the standard American diet (SAD) are deficient in B12 (and many other essential nutrients) and a much higher proportion are marginally depleted. Read more . . .