Frei von... - Sind Ersatzlebensmittel die bessere Alternative ?

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For more and more people, food not only has to be tasty and healthy, but also good for the climate. Five alternatives to classic foods are being put to the test. Can they meaningfully supplement our diet? This documentary goes in search of answers with the vegan star chef Ricky Saward and health experts Irina Blumenstein, Sandra Ulrich-Rückert and Margareta Büning-Fesel.