Do not forget about herbs.

Many peoples are suffering today of diabetes, and herbs using for cure are since long time ago, and therefore these recipes used as tested long time ago, and they are using,like additional cure,as they are improving immunity, normalizing digestion work, liquidating delay in gall, lowering needing in insulin, as a few are insulin same effect having, as galega, aralia, leusea, ginseng.
A most popular herbs are having a name Arftezetin in diabetes packet of blueberry shoots, pods of kidney beans, roots aralia Manchurian, or roots Echinopanax, fruits hibiscus, herb horse tail field, herb hypericum, fl.chamomile, as 10 gr ads in 400 ml. of hot water, stew for 15 minutes, infuse 45 minutes, filter, ads water till 400 ml, drinks warm to meal  as half glass for 3 times/day,till month.

Or herb alehoof 10 gr, leaves blueberry 40 gr, herb viola tricolor 20 gr, fr.juniperus 20 gr, seeds flax 20 gr, as one tbl.sp. mass ads in glass for hot water, and drink, like tea as glass for three times/day.

Leaves blueberry, herb galega, as 100 gr, fl,sambucus as 50 gr, herb white mistletoe 30 gr,cook,use same.

Leaves blueberry 100 gr, fragaria herb 60 gr, fl. lime 40 gr, fl,Verbascum 30 gr, cook,use same.

Leaves cowberry 100 gr, root archangelica and leaves ruta 50 gr, as one tbl.sp. mass ads in glass for hot water, infuse ten minutes, drink on half glass for three times/day, course till month.