Numi mint Pu-erh with Tazo Zen and Bigelow's Plantation Mint Make Me Tired

by Lorraine
(Virginia)

Lately I've been having awful bouts of gastritis and gerd. I'm wondering if it's because I drink too much tea.

I mix Numi mint pu-erh with Tazo Zen and Bigelow's Plantation Mint.

I drink them teas iced and drink about a gallon of it a day. I am also exhausted by the afternoon which I never used to be...