A rather surprising statement about this is made around the 1:15:00 mark in this video by Dr. Lustig. This is certainly encouraging to know that diabetes sufferers do have this option. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2787021/
Keto is about the same: Veggies, Protein and Water. REDUCE big time sugars and carbs... I quit bring that Dead Bread into my house probably 12 yrs ago.....