tochū tea; eucommia tea
A herbal tea made from the leaves of the Eucommia ulmoides tree. Often consumed as a health beverage; reputed to be rich in minerals and sometimes associated with weight loss and blood pressure management.
See also: トチュウ
I drink tochū tea every day for my health.
Tochū tea is caffeine-free, so it's safe even before bed.
From 杜仲 (tochū, 'Eucommia ulmoides') + 茶 (cha, 'tea'). The plant name 杜仲 is of Chinese origin.