How to take glipizide controlled release tablets of Ruiyining?

Take 2.5mg (half a tablet) orally at the beginning, 1 time before breakfast or brunch, or 1.25mg( 1/4 tablets) before meals, three times a day, and increase 2.5mg daily after 7 days if necessary. Generally, the daily dose is 5 ~ 15 mg (1-3 tablets), and the maximum daily dose is no more than 20 ~ 30 mg (4-6 tablets).