A lot of alcoholics have issues with hypoglycemia and I think the key is balance.
As far as that lady doctor goes, if she is the same one who says she can cure mental illness through nutrition, her and her clinic have quite a few scam reports filed on them and from reading them she sounds more like a money hungry quack than a physician.
I drank a lot of coffee and ate a lot of cheese in early sobriety (my cravings were for cheese not for sugar) but now I have stabilized. Caffeine did not trigger me.