It’s a popular myth among self-declared nutritionists (there is no other kind), and those who sell food-supplement pills, that our food is becoming less nutritious: in reality, many argue it may be more nutritious overall, because we eat more fresh and frozen fruit and veg, less tinned or dried stuff, and so they all get to the shops quicker, and thus with more nutrients (albeit at phenomenal cost to the environment). But Holford’s vitamin claim is somewhat more extreme than the usual fare. These oranges are not just less nutritious: ‘Yes, some supermarket oranges contain no vitamin C!’*
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