Ketogenic enteral nutrition for weight loss: a word of warning
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In the current issue of Internal and Emergency Medicine, Papadia et al.  present retrospective data of 629 subjects with overweight or obesity that underwent a protocol of repeated 10-day cycles of a protein-sparing modified fast defined as “ketogenic enteral nutrition” and administered via nasogastric tube in order to achieve fast and substantial weight loss.
the composition of the enteral mixture used
the invasiveness of the technique
the short-term and the potential long-term side effects of the KEN protocol
The Expert Panel of the European Food Safety Authority (EFSA) provided in 2015 a Scientific Opinion on the essential composition of total diet replacements for weight control . EFSA recommended a minimum energy content of 600 kcal/day (2510 kJ), as compared with only 205–270 kcal/day...
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Conflict of interest
The author declares that she has no conflict of interest.
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