Schwarzer Tee

Black Tea’s Golden Ring: A Clue, Not a Quality Guarantee

What causes the golden ring around black tea, how pigments and light affect it, and why it cannot prove grade, origin or authenticity.

Is Black Tea Good for Your Stomach? What to Know

A warm cup can feel soothing, but black tea is not a treatment for stomach disease. Understand caffeine, reflux triggers and research limits.