This is an update on recent research, therefore you may need to read "the art and science of low carb living" book before reading this blog post.
Note that they (not very helpfully) call the Newcastle Diet (ND) by its correct name "VLCD" and used the correct name (DiRECT) for the most recent paper on it that is correctly referenced as “Lean 2018“. (It is also not possible to compare the a1c results between the studies as they had different policies on Mataformin.)
See https://blog.virtahealth.com/ketosis-appetite-hunger/
Note that they (not very helpfully) call the Newcastle Diet (ND) by its correct name "VLCD" and used the correct name (DiRECT) for the most recent paper on it that is correctly referenced as “Lean 2018“. (It is also not possible to compare the a1c results between the studies as they had different policies on Mataformin.)
See https://blog.virtahealth.com/ketosis-appetite-hunger/