The participants had a typical fasting glucose of 7.6 mmol/L before the start of the study. (Fasting glucose levels among non-diabetics are generally 5.5 mmol/L or lower.

• 试验前，连续三天早上7点测空腹血糖。然后，用标准化的计划饮食两天，睡前两勺苹果酒醋或水加1盎司的干酪。在3到5天的”冲刷期“后，”冲刷期“内不饮醋，患者就进入选定的治疗。