My brother is a doctor for a company that does exactly what your topic is. Its called Virta Health and they just recently "went live" after publishing the results of their clinical study. Its amazing that through a low carb and high fat diet, people can get off their diabetes medications.
This is their website
https://www.virtahealth.com/
Article in Forbes about them
https://www.forbes.com/sites/davidshaywitz/2017/03/08/can-silicon-valley-cure-diabetes-with-low-carbs-and-high-tech/#5d7bf010190a