[La1n]

That first study compares to meat-containing diets with each other, see the methods section.

edit: I also have some doubts on the care taken in this study and it's peer-review. As there is an easy to spot mistake in table 2 (the dietary fat section).

[buckthundaz]

Studies on human nutrition are extremely limited. If you'd like to see a case reports about keto eating putting Diabetes Type 2 in remission see below:

https://www.frontiersin.org/articles/10.3389/fendo.2019.0034...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1325029/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7342268/