People who eat little or no animal products run the risk of a vitamin B12 deficiency. That’s why vegans take food supplements or vitamin pills. Researchers from the University of Helsinki, Finland, have now found a way to add the essential vitamin B12 to bread or yoghurt-like products by means of fermentation.

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About the author

Author profile picture Arnoud Cornelissen has for many years been writing about science and technology in, among others, various Dutch newspapers.