Hi, i have read of 150 in blood glucose levels before fasting and 180 after fasting. i don't use any drugs now, how to reduce by blood glucose level naturally?

High blood sugar can be reduced by exercising regularly, minimize your carb intake, choosing foods with a low glycemic index, getting enough quality sleep to name a few. Read more here: ref: https://www.healthline.com/nutrition/15-ways-to-lower-blood-sugar#TOC_TITLE_HDR_2

You can try losing weight, exercising, reducing carbohydrate intake, but these alone may not control your blood glucose. By the way, "natural" is not necessarily better, rattle snakes are natural!