Yes, black tea has caffeine. The European Food Safety Authority (EFSA) puts a 220mL cup at about 50mg in its 2015 fig...
Japanese Tea Encyclopedia
Fermented Tea
5 guides
Does Black Tea Have Caffeine? How Much Is in a Cup
Updated Oct 2026
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Types of Black Tea: A Region-by-Region Guide
The floral lift of Darjeeling. The malty depth of Assam. The soft, honeyed sweetness of Japanese-grown black tea. Thr...
Updated Oct 2026
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Japanese Black Tea (Wakoucha): What It Is and How It Tastes
Brewed at a slightly lower temperature than you might expect, it pours a clear amber — lighter than Assam, less asser...
Updated Oct 2026
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Black Tea Ingredients: What's in Your Cup
Black tea is fermented and contains catechin, caffeine, amino acids, and aroma components. Fresh tea leaves contain v...
Updated Oct 2026
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Tea Oxidation: How Black Tea Gets Its Color and Flavor
Discover the unique manufacturing process of black tea. This comprehensive guide explains the steps involved in creat...
Updated Oct 2026
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