I Am A Diabetec Patient,i Am Using Dimicron 80 Mg

i am a diabetec patient,i am using dimicron 80 mg half tab bd. at first time when i cheacked my suger level, the result was 270 random and now my sugar level is 116 (fasten). my quisten is that, can i eat mutto and beef. please mail me on this mail ( YYYY@YYYY )