Article · Health & Science
The 2003 Oolong Diabetes Trial Was Led From a Tea Maker
A 2003 trial found oolong tea cut blood sugar by nearly 30 percent in diabetic patients. Its lead author worked at a beverage maker's research center, a trial in healthy men found nothing, and a cohort of 4,975 Japanese workers found heavier drinkers developed diabetes at a higher rate.
Apr 10, 2026 →