Diagnosed With Type 2 Diabetes 7/16/16; Age 64; Not Been

diagnosed with type 2 diabetes 7/16/16; age 64; not been hospitalized; ate wholesome; no symptoms relating to diabetes; doctor said test was 131. been checking 2 times daily has been 90-101 for the pqst 2 weeks fasting/nothing before testing. lost 4 lbs. on metformin 500 @ 1 time per day blood pressure normally read 113-124/75-80. How can I continue to lower my levels and stop the metformin because it is giving me diabetes problems i never had? Actually I have been well without incident up until now.