walmart drug store 有賣 $23，牌子是ReliOn 可測兩次，這兒有詳細說明

The ReliOn FastA1C Test At-Home A1C System provides a fast and easy way of obtaining accurate HBA1C results in the home. Commonly referred to as A1C, an HBA1C measures the last two to three month average of your blood glucose. The Relion FastA1C Test comes in a convenient two-test pack with all the items you need to complete both tests (monitor, test cartridge, fingerstick lancet and blood collector).