sugar308Is Random blood glucose 308 hh , low , normal or dangerous & what it means? Sugar or RBG 308 is common in Latvian Diplomatic Service, Gudivada, Kesthur, Lakhipur, La Loupe,Blood sugar 308 mgdl (17.09mmoll) after eating - is that good or bad? We help you interpret your blood sugar values. You have tested your blood sugar after eating and the result was 308 mgdl.