https://www.diabetesdaily.com/blog/2014/08/3-days-with-dr-bernstein/

and an additional post- https://www.diabetesdaily.com/blog/2015/10/how-the-bernstein-diet-changed-my-life-with-type-1-diabetes/

See more of Dr Bernstein here- http://paleoindia.in/dr-richard-k-bernstein-all-about-diabetes/