I am diabetic type 2 from the last 7+ years

I am diabetic type 2 from the last 7+ years , I am user of methicobal often , this time as methicobal was not available with medical store they suggested me neuromet tablets ,.
(For diabetic is use Galvus Met 50/1000 and Amerl4)
I am daily walker of One Hour Plus , sugar often is fasting 130/140 and rendum or after two hours it is 170/180., but I feel always tired , some time pain in legs , if sit in one position for some time then can’t stand fresh and comfortable ,.
I want a full energy medicine which keep me fresh and healthy and also my sugar should be controlled ., please suggest some thing and oblige ,.
Kind Regards

Gulzar